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Author Topic: Let's add up the KNOWN lost bitcoins  (Read 64367 times)
SgtSpike
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May 04, 2011, 09:11:34 PM
Merited by Timelord2067 (1)
 #1

Thought this might make for an interesting thread...

If you've lost bitcoins (i.e. they're gone forever, completely unrecoverable), post how much you lost, and add it to the running tally.  Right now, the running tally is 0BTC, since I haven't lost any bitcoins.

I recently read a thread about someone losing 0.000001 BTC, and someone else losing 20 BTC.

So person one would write:
+ 0.00001 BTC
= 0.00001 BTC

Person two would write:
+ 20 BTC
= 20.0001 BTC

Etc, etc.  That way we don't have to run through pages and pages of thread to figure out what the running tally of lost bitcoins is.

Make sense?  Good.  Do it.

Starting lost BTC balance:  0.0000000 BTC
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May 04, 2011, 09:12:49 PM
 #2

0.00000000

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May 04, 2011, 09:16:08 PM
Last edit: May 05, 2011, 09:37:16 AM by gigabytecoin
 #3

May have lost 0.05 BTC sent by the faucet...

Had it sent to a windows box, windows almost immediately received a virus, I simply removed the HD and re-installed ubuntu to a new drive.

Time (and value of BTC) will tell if I ever boot up the old HD, remove the virus, and send my BTC back to the faucet/myself/anywhere.

TL;DR I probably lost 0.05 BTC.

Edit: I finally recovered them and have sent them back to the faucet! Enjoy, future bitcoiners!
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May 05, 2011, 09:28:55 AM
 #4

i'm sure there's a point to this.

i don't know if this counts, i can't log into mybitcoin are those coins considered lost as far as this thread cares?
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May 05, 2011, 12:41:03 PM
 #5

Someone lost a Satoshi (0.00000001 BTC) the other day. Though I am told a miner got it in his transaction fees, so perhaps it isn't truly lost.

3KzNGwzRZ6SimWuFAgh4TnXzHpruHMZmV8
Alex Beckenham
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May 05, 2011, 12:44:03 PM
 #6

i'm sure there's a point to this.

i don't know if this counts, i can't log into mybitcoin are those coins considered lost as far as this thread cares?

I don't think those coins should count... administrators of that site (present and future) would still be able to spend those coins. (i.e. They're still part of the total money supply).


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May 05, 2011, 12:45:40 PM
 #7

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0
td
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May 05, 2011, 02:03:09 PM
 #8

I personally lost one block of 50 BTC when coins were worth around 10 cents. It was a generated block and I was messing around with switching wallets and I never backed that wallet up before it was deleted. A little mad at the time even more so now.

9 +
50
____
59 BTC
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May 05, 2011, 02:18:59 PM
 #9

9000 +
50
____
9050 BTC

There, fixed it. Wink
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May 05, 2011, 02:28:13 PM
 #10

Block 70136 has 0.03BTC in un-spendable transactions.

9050+
     0.03
---------
9050.03

How often do you get the chance to work on a potentially world-changing project?
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May 05, 2011, 02:50:34 PM
 #11

Block 70136 has 0.03BTC in un-spendable transactions.

How did this happen? Shouldn't the block be invalid?
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May 05, 2011, 03:01:51 PM
 #12

I have so many wallets lying around in so many different places, different computers, virtual machines, usb sticks, gmail attachments, mobile phones, that I have no idea how many bitcoins I actually "own" anymore. I might have forgotten about some of those wallets, who knows? One of these days when I have the time I should try to tidy it all up.  

The only amount that I know for certain I've lost so far is 0.05 BTC back in Oct 2010.

GPG ID: FA868D77   bitcoin-otc:forever-d
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May 05, 2011, 05:12:22 PM
 #13

I have so many wallets lying around in so many different places, different computers, virtual machines, usb sticks, gmail attachments, mobile phones, that I have no idea how many bitcoins I actually "own" anymore. I might have forgotten about some of those wallets, who knows? One of these days when I have the time I should try to tidy it all up.  

The only amount that I know for certain I've lost so far is 0.05 BTC back in Oct 2010.

So:

9050.03
+   0.05
--------
9050.08
theymos
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May 05, 2011, 07:27:33 PM
 #14

0.04 BTC was sent to these special addresses that are likely to never have owners:
http://blockexplorer.com/address/1111111111111111111114oLvT2
http://blockexplorer.com/address/11111111111111111111BZbvjr

I lost a few hundred to a casino that shut down without refunding the BTC.

1NXYoJ5xU91Jp83XfVMHwwTUyZFK64BoAD
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May 06, 2011, 01:12:32 AM
 #15

0.04 BTC was sent to these special addresses that are likely to never have owners:
http://blockexplorer.com/address/1111111111111111111114oLvT2
http://blockexplorer.com/address/11111111111111111111BZbvjr

I lost a few hundred to a casino that shut down without refunding the BTC.

9050.08
+   0.04
----------
9050.12
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May 08, 2011, 05:35:44 PM
 #16

I formatted a drive and lost .05 that I received from the Bitcoin Faucet.

9050.12
+   0.05
--------
9050.17
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May 08, 2011, 09:27:24 PM
 #17

I've lost 250 BTC.
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May 08, 2011, 09:38:57 PM
 #18

9050.17
+ 250.00
--------
9300.17
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May 08, 2011, 10:52:02 PM
 #19

9300.17
+.05
--------
9300.22
Alex Beckenham
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May 09, 2011, 01:50:04 AM
 #20

I've lost 250 BTC.

May I ask how you lost it?

I don't mean to doubt you, but just want to make sure they're definitely lost.

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May 27, 2011, 02:22:21 AM
 #21

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0
Looking back at that, he still had 1 btc. So...

9300.22
-    1.00
----------
9299.22

kjj
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May 27, 2011, 02:57:36 AM
 #22

How about the 50 from the duplicate generation in blocks 91812 and 91842?

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May 27, 2011, 03:42:22 AM
 #23

1007-1009 Somewhere around there.

Don't ask. Too painful of a story.
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May 27, 2011, 03:44:35 AM
 #24

   9299.22
+    50.00
+ 1007.00
----------
10,356.22
theymos
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May 27, 2011, 04:09:16 AM
 #25

How about the 50 from the duplicate generation in blocks 91812 and 91842?

There's another duplicate in 91880.

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May 27, 2011, 05:18:09 AM
 #26

10,356.22
+    50.00
----------
10,406.22
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May 27, 2011, 06:32:14 AM
 #27

God, a banking system would really have come in handy here...
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May 27, 2011, 04:07:05 PM
 #28

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0

as i recall it was 9000 btc!
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May 27, 2011, 04:20:25 PM
 #29

10,356.22
+    50.00
----------
10,406.22

10,406.22
+    50.00
----------
10,456.22

Not 100% sure, but looked like we lost a block probably due to default jgarzik's pool not retrying re-submiting work when bitcoind was unreachable...

Oh well. Fortunately no one else was mining at that moment. It was a very short round too with just like 500 shares...  Undecided
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May 27, 2011, 04:25:24 PM
 #30

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0

as i recall it was 9000 btc!

actually 8999
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May 27, 2011, 04:29:42 PM
 #31

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0

as i recall it was 9000 btc!

actually 8999

8999X$8.70= $78291  Embarrassed
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May 27, 2011, 04:32:17 PM
 #32

Back in late 2009, I bought 1000 from NewLibertyStandard for about $1.

Not long after I formatted my hard drive and didn't bother with them saving them...

Yeah I know.  What an idiot.

+1000

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May 27, 2011, 04:43:49 PM
 #33

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0

as i recall it was 9000 btc!

actually 8999

Yes, exactly 8999 were lost.

http://blockexplorer.com/tx/eb5b761c7380ed4c6adf688f9e5ab94953dcabeda47d9eeabd77261902fccccf

17Np17BSrpnHCZ2pgtiMNnhjnsWJ2TMqq8
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May 27, 2011, 04:46:05 PM
 #34

Back in late 2009, I bought 1000 from NewLibertyStandard for about $1.

Not long after I formatted my hard drive and didn't bother with them saving them...

Yeah I know.  What an idiot.

+1000

10,456.22
+1,000.00
-----------
11,456.22
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May 27, 2011, 04:46:30 PM
 #35

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0

as i recall it was 9000 btc!

actually 8999

Yes, exactly 8999 were lost.

http://blockexplorer.com/tx/eb5b761c7380ed4c6adf688f9e5ab94953dcabeda47d9eeabd77261902fccccf

kjj, how'd u find the block?
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May 27, 2011, 04:47:23 PM
 #36

this is a great thread!  learning alot!
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May 27, 2011, 04:49:02 PM
 #37

kjj, how'd u find the block?

I just clicked back through the chain until I saw a 9000 -> 8999 + 1 transaction around the right date.

17Np17BSrpnHCZ2pgtiMNnhjnsWJ2TMqq8
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May 27, 2011, 04:54:00 PM
 #38

kjj, how'd u find the block?

I just clicked back through the chain until I saw a 9000 -> 8999 + 1 transaction around the right date.

i assume u did this in Block Explorer.  just went there and they only have the last 20 or so blocks listed?  how'd u search further back?  also how did u know what date the block got solved?
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May 27, 2011, 05:00:05 PM
 #39

kjj, how'd u find the block?

I just clicked back through the chain until I saw a 9000 -> 8999 + 1 transaction around the right date.

i assume u did this in Block Explorer.  just went there and they only have the last 20 or so blocks listed?  how'd u search further back?  also how did u know what date the block got solved?

You can click all the way back to the genesis block by using the Previous Block links.  Stone Man posted about the loss here on the forums the next day.

17Np17BSrpnHCZ2pgtiMNnhjnsWJ2TMqq8
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May 27, 2011, 05:07:33 PM
 #40

A guy once lost 9.000 BTC by restoring a backup produced before a send transaction which had these 9.000 as input. That motivated Satoshi to implement the pool of addresses feature.
EDIT: Here's the topic: http://bitcointalk.org/index.php?topic=782.0

as i recall it was 9000 btc!

That's what I said above... (maybe I should have dropped the dot or write 9.000,00 to make it clearer)
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May 27, 2011, 05:08:03 PM
 #41

kjj, how'd u find the block?

I just clicked back through the chain until I saw a 9000 -> 8999 + 1 transaction around the right date.

i assume u did this in Block Explorer.  just went there and they only have the last 20 or so blocks listed?  how'd u search further back?  also how did u know what date the block got solved?

You can click all the way back to the genesis block by using the Previous Block links.  Stone Man posted about the loss here on the forums the next day.

geez, u clicked back almost a year?  sounds like u had to remember that Stone Man posted here on the forum, search back for the post and date, and then u knew about how far back u had to go.  the point i'm trying to ascertain is if u didn't know that info and u were looking back in time for this tx, u would have to patiently click back and examine each block carefully for that 8999.  altho in this case it is easy to spot.  what if u were looking for some .01 btc tx?
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May 27, 2011, 05:12:25 PM
 #42

kjj, how'd u find the block?

I just clicked back through the chain until I saw a 9000 -> 8999 + 1 transaction around the right date.

i assume u did this in Block Explorer.  just went there and they only have the last 20 or so blocks listed?  how'd u search further back?  also how did u know what date the block got solved?

You can click all the way back to the genesis block by using the Previous Block links.  Stone Man posted about the loss here on the forums the next day.

geez, u clicked back almost a year?  sounds like u had to remember that Stone Man posted here on the forum, search back for the post and date, and then u knew about how far back u had to go.  the point i'm trying to ascertain is if u didn't know that info and u were looking back in time for this tx, u would have to patiently click back and examine each block carefully for that 8999.  altho in this case it is easy to spot.  what if u were looking for some .01 btc tx?
You can also skip blocks by typing www.blockexplorer.com/b/[BLOCK#]
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May 27, 2011, 05:14:39 PM
 #43

geez, u clicked back almost a year?  sounds like u had to remember that Stone Man posted here on the forum, search back for the post and date, and then u knew about how far back u had to go.  the point i'm trying to ascertain is if u didn't know that info and u were looking back in time for this tx, u would have to patiently click back and examine each block carefully for that 8999.  altho in this case it is easy to spot.  what if u were looking for some .01 btc tx?

It's only like 50,000 blocks back.  OCD hath its privileges.

His loss was pretty easy to find.  There aren't many transactions like it.  Finding one specific .01 transaction would be a lot harder.  You'd have to look at something else that you know, like one of the addresses, or the transaction ID.

17Np17BSrpnHCZ2pgtiMNnhjnsWJ2TMqq8
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May 27, 2011, 05:17:47 PM
 #44

kjj, how'd u find the block?

I just clicked back through the chain until I saw a 9000 -> 8999 + 1 transaction around the right date.

i assume u did this in Block Explorer.  just went there and they only have the last 20 or so blocks listed?  how'd u search further back?  also how did u know what date the block got solved?

You can click all the way back to the genesis block by using the Previous Block links.  Stone Man posted about the loss here on the forums the next day.

geez, u clicked back almost a year?  sounds like u had to remember that Stone Man posted here on the forum, search back for the post and date, and then u knew about how far back u had to go.  the point i'm trying to ascertain is if u didn't know that info and u were looking back in time for this tx, u would have to patiently click back and examine each block carefully for that 8999.  altho in this case it is easy to spot.  what if u were looking for some .01 btc tx?
You can also skip blocks by typing www.blockexplorer.com/b/[BLOCK#]

here again, u have to know the block # ur lookin for.
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May 27, 2011, 05:21:10 PM
 #45

10,356.22
+    50.00
----------
10,406.22

10,406.22
+    50.00
----------
10,456.22

Not 100% sure, but looked like we lost a block probably due to default jgarzik's pool not retrying re-submiting work when bitcoind was unreachable...

Oh well. Fortunately no one else was mining at that moment. It was a very short round too with just like 500 shares...  Undecided

Lost blocks aren't truly lost. They are just not counted. Using a duplicate transaction hash in the generation transaction, though, WILL make them disappear.

11,456.22
-     50.00
-----------
11,406.22

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May 28, 2011, 04:35:10 AM
 #46

11,406.22

If you previously had 1% of the supply, you now have 1.00054% (210,000 / (21,000,000 - 11,406.22) * 100)%

If you previously had 0.9994568% of the supply, congratulations, you now have 1%

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May 28, 2011, 06:25:05 AM
 #47

I leave 0.01 btc in various wallets here and there

I may forget about one at some point.

May have deleted .01 off an aws ec2, and one when deleting a local vm.

Bitrated user: opticbit.
https://www.bitrated.com/opticbit
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May 28, 2011, 08:38:06 PM
 #48

My friend forgot his password, I think he lost at least 30.

I lost about 0.09.

1HX4zSn3yQpVH3v9Sv5TNwMqbfXoBbMuNf
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May 28, 2011, 11:23:15 PM
 #49

-----------
11,406.22
      50.00+
        0.09+
    150.00+
-------------
11,606.31

(top two are from the post above, my friend threw away his 150 btc, just cause he thought it was stupid and useless xD)

14b8PdeWLqK3yi3PrNHMmCvSmvDEKEBh3E
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June 01, 2011, 06:28:50 PM
 #50

Another huge loss of 7208 BTC:  http://forum.bitcoin.org/index.php?topic=11104.0

11,606.31
+7,208.00
----------
18,814.31
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June 07, 2011, 03:24:33 AM
 #51

I just lost about 4 btc on my broken hard drive... thank goodness most of my btc was NOT stored on that hard drive. I'm saving the hard drive, just in case this is one day worth thousands, and I'll be able to justify some data recovery thing.

1HX4zSn3yQpVH3v9Sv5TNwMqbfXoBbMuNf
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June 07, 2011, 08:19:33 AM
 #52

18,814.31
+0,020.00
----------
18,834.31

Lost it accidentally from a disk crash..
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June 08, 2011, 08:41:14 AM
 #53

+ Robert's 4 that he didn't calculate in to the number.  Smiley

18,834.31
+      4.00
----------
18,838.31
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June 08, 2011, 10:20:46 AM
Merited by Farul (1)
 #54

In block 124724, I deliberately and specifically underpaid myself by 0.00000001 ฿, which is colloquially known as "1 Satoshi" after ฿'s creator and due to a lack of a good name for that amount of ฿ money.

To make absolutely sure that I was doing it on purpose, I set the reward value to 49.99999999, which meant that I inadvertently threw away the transaction fees which I could have allocated to myself.

I did it as a tribute to our missing Satoshi: we are missing Satoshi, and now the blockchain is missing 1 Satoshi too, for all time.

Before this, the total *awarded* ฿ would have been (assuming my calculations are correct):

฿20999999.97690000

Now, since I underpaid myself, the total *awarded* ฿ can only be:

฿20999999.97689999

--assuming everyone else pays themselves the maximum until the end of time.

So, this is a provably missing amount of the fees+1 Satoshi from the blockchain, from block 124724, which appears to be 0.01 + 0.00000001 ฿.

I did this by creating an option in my heavily customized client (derived from the git fork of bitcoind) which allows me to arbitrarily suspend the normal block reward calculation and underpay myself. The code itself only checks to ensure that I haven't *overpaid* myself. It doesn't at all care that I've *underpaid* myself.

I view this as a freedom in the protocol, and not a drawback.

blockexplorer.com has a display bug for that block which has not been corrected yet.
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June 08, 2011, 01:10:44 PM
 #55

In block 124724, I deliberately and specifically underpaid myself by 0.00000001 ฿, which is colloquially known as "1 Satoshi" after ฿'s creator and due to a lack of a good name for that amount of ฿ money.

To make absolutely sure that I was doing it on purpose, I set the reward value to 49.99999999, which meant that I inadvertently threw away the transaction fees which I could have allocated to myself.

I did it as a tribute to our missing Satoshi: we are missing Satoshi, and now the blockchain is missing 1 Satoshi too, for all time.

Before this, the total *awarded* ฿ would have been (assuming my calculations are correct):

฿20999999.97690000

Now, since I underpaid myself, the total *awarded* ฿ can only be:

฿20999999.97689999

--assuming everyone else pays themselves the maximum until the end of time.

So, this is a provably missing amount of the fees+1 Satoshi from the blockchain, from block 124724, which appears to be 0.01 + 0.00000001 ฿.

I did this by creating an option in my heavily customized client (derived from the git fork of bitcoind) which allows me to arbitrarily suspend the normal block reward calculation and underpay myself. The code itself only checks to ensure that I haven't *overpaid* myself. It doesn't at all care that I've *underpaid* myself.

I view this as a freedom in the protocol, and not a drawback.

blockexplorer.com has a display bug for that block which has not been corrected yet.


wow, u r generous Wink
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June 08, 2011, 01:33:33 PM
 #56

As per the above story:  Smiley

18,838.31000000
+      0.01000001
-----------------
18,838.32000001

I know this because Tyler knows this.
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June 14, 2011, 07:14:30 AM
 #57

Looks like the new wallet encryption feature has caused coins to enter the void:
http://forum.bitcoin.org/index.php?topic=8728.msg203511#msg203511


18,838.32000001
        3.79000000
      10.00000000
      55.00000000
+     0.01000000
--------------------
18,907.12000001

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June 14, 2011, 07:53:27 AM
 #58

18,907.12000001
+               0.02
--------------------
18,907.14000001
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June 17, 2011, 05:26:05 PM
 #59

18,907.12000001
+               0.02
--------------------
18,907.14000001
Another 365.18 gone forever...  http://forum.bitcoin.org/index.php?topic=18371.msg232955#msg232955

18,907.12000001
+  365.18000000
----------------
19,272.30000001
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July 09, 2011, 01:24:40 AM
 #60

18,907.12000001
+               0.02
--------------------
18,907.14000001
Another 365.18 gone forever...  http://forum.bitcoin.org/index.php?topic=18371.msg232955#msg232955

18,907.12000001
+  365.18000000
----------------
19,272.30000001
Surprisingly, it's now been recovered!
http://forum.bitcoin.org/index.php?topic=18371.msg342784#msg342784

19,272.30000001
-   365.18000000
----------------
18,907.12000001

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July 09, 2011, 01:32:28 AM
 #61

18,907.12000001
+               0.02
--------------------
18,907.14000001
Another 365.18 gone forever...  http://forum.bitcoin.org/index.php?topic=18371.msg232955#msg232955

18,907.12000001
+  365.18000000
----------------
19,272.30000001
Surprisingly, it's now been recovered!
http://forum.bitcoin.org/index.php?topic=18371.msg342784#msg342784

19,272.30000001
-   365.18000000
----------------
18,907.12000001

18,907.12000001
+      1.12
18,908.24000001

don't ask.
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July 09, 2011, 01:37:36 AM
 #62



19,272.30000001
-   365.18000000
----------------
18,907.12000001

One of these days ... someone will hit the JACKPOT!

For another thread, it might be cool to try and calculate the biggest JACKPOT someone is likely to hit over the next ten years.

Cheers,
Adam    

moneyandtech.com
@moneyandtech @jeredkenna
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July 09, 2011, 01:43:58 AM
 #63

I'm assuming you are not including THEFT in your definition of "lost"?


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July 09, 2011, 02:12:49 AM
 #64

I'm assuming you are not including THEFT in your definition of "lost"?

Nope, stolen coins are still in circulation.

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July 09, 2011, 02:39:13 AM
 #65

And the worlds most boring thread award goes to OP!

For Canadians by Canadians: Canada's Bitcoin Community - https://www.coinforum.ca/
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July 09, 2011, 07:22:26 AM
 #66

And the worlds most boring thread award goes to OP!
Awww...  I thought it was rather interesting myself...
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July 09, 2011, 08:00:54 AM
 #67

18,907.12000001
+      1.12
18,908.24000001

don't ask.

http://blockexplorer.com/address/1BitcoinEaterAddressDontSendf59kuE

18,908.24000001
+      0.0211
18,908.26110001

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July 19, 2011, 01:29:25 PM
Last edit: July 19, 2011, 02:01:28 PM by gmaxwell
 #68

So, for SCIENCE (er, well, wallet code testing), I modified a bitcoin client to short-circuit IsMine, IsConfirmed, and the coinbase maturity check. Then I rescaned the blockchain:

    "balance" : 6848199.98999999,
    "blocks" : 136965,

50*136965 - 6848199.98999999 = 50.01000001

This isn't the same as lost coins— e.g. my client thinks it can spend the 1BitcoinEater coins. This is a count of coins that don't exist, at least as far as the wallet code is concerned.

The 1e-8 is the coin midnightmagic opted not to generate in tribute to Satoshi. The 0.01 is the fee midnightmagic accidentally destroyed in the process. (http://blockexplorer.com/block/0000000000004c78956f8643262f3622acf22486b120421f893c0553702ba7b5)

I'm _assuming_ the 50 is the duplicate coinbase from http://blockexplorer.com/block/00000000000a4d0a398161ffc163c503763b1f4360639393e0e4c8e300e0caec.

These coins aren't even recoverable with a magical ECC cracking and/or hash colliding machine, but at least as far as the wallet code is concerned they're the only ones.
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July 19, 2011, 03:19:19 PM
 #69

18,908.24000001
+      0.0211
18,908.26110001


2BTC lost to Bitcoin-Android
http://blockexplorer.com/address/1DWwhv9Kg3SE9GBX7Kk9A11nw3B3MUBe2t

18,908.26110001
+      2.00
18910.26110001

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August 01, 2011, 05:11:26 PM
 #70

I wonder if Bitomat will be adding their 17,000BTC to this list?

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August 01, 2011, 05:35:23 PM
 #71

A friend today told me he just deleted his bitcoin wallet. That included 0.025 BTC I had sent him to play around with. He's not very computer-savvy.
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August 01, 2011, 05:44:34 PM
 #72

I wonder if Bitomat will be adding their 17,000BTC to this list?
They didn't state any amount of bitcoins being lost --> 17000BTC is the price if you want to buy the page there

https://www.coinlend.org <-- automated lending at various exchanges.
https://www.bitfinex.com <-- Trade BTC for other currencies and vice versa.
Mail me at Bitmessage: BM-BbiHiVv5qh858ULsyRDtpRrG9WjXN3xf
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March 07, 2012, 11:02:28 PM
 #73

Any recently lost forever coins?

Also, bitomat lost 17k BTC... is that confirmed for certain?  Are those addresses public so we can confirm they have not moved yet?
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March 08, 2012, 01:24:49 AM
 #74

Yeah, I know it's an old thread, but wanted to update it with the latest.

So, 2600+ confirmed coins lost by MtGox.

18910.26110001
+2600
21510.26110001
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March 08, 2012, 02:38:41 AM
 #75

i've never forgot this thread.  good to see it up again.
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March 08, 2012, 05:38:47 AM
 #76

Found this on the bitomat situation.  I'll go ahead and add those coins for now.
http://www.reddit.com/r/Bitcoin/comments/j4t58/3rd_largest_bitcoin_exchange_has_lost_its/

21510.26110001
17000.00000000
38510.26110001

Only 20,961,490 coins left.  Better start buying!
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March 08, 2012, 05:55:54 AM
 #77

What about these?
https://bitcointalk.org/index.php?topic=67158.0

Anyone know how many such malformed transactions there are?
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March 08, 2012, 06:00:41 AM
 #78

What about these?
https://bitcointalk.org/index.php?topic=67158.0

Anyone know how many such malformed transactions there are?
I'd say that's legitimate as lost coins.  Not sure how you'd go about finding similar lost coins though.

38510.26110001
+     0.00224733
38510.26334734
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March 08, 2012, 06:11:27 AM
 #79

2.5BTC lost to Bitcoin-Android of a friend of mine... I sent to him and he lost due to software fail...

Following that rate, when all 21.000.000 will be lost?!

I mean, what is the actual "lost rate" of Bitcoins per day since its genesis?
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March 08, 2012, 06:30:41 AM
 #80

2.5BTC lost to Bitcoin-Android of a friend of mine... I sent to him and he lost due to software fail...

Following that rate, when all 21.000.000 will be lost?!

I mean, what is the actual "lost rate" of Bitcoins per day since its genesis?
Ok...

38510.26334734
+    2.50000000
38512.76334734

Bitcoin's been going for what, 3 years now?  But really only used heavily for 2.  So you can assume around 19k lost coins per year, so far...

Of course, there will never be "no more bitcoins".  Losses are more likely to be expressed as a percentage of remaining coins, which would never reach 0.  19k out of 7M coins is about 0.27%.  So a quarter of a percent of remaining coins per year.  Who knows how that might change if Bitcoin becomes mainstream.  On the one hand, more people touching coins = more lost coins.  On the other hand, more people touching coins = more value per coin = fewer coins per person being touched.  It might just even itself out.
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March 19, 2012, 07:17:28 PM
Last edit: March 19, 2012, 08:00:02 PM by dooglus
 #81

9000 +
50
____
9050 BTC

There, fixed it. Wink

Actually he 'only' lost 8,999 BTC.

38512.76334734
-      1.00000000
38511.76334734


Edit: disregard this.  maged already made the adjustment

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March 19, 2012, 07:45:10 PM
Last edit: March 19, 2012, 08:00:52 PM by dooglus
 #82

What about these?
https://bitcointalk.org/index.php?topic=67158.0

Anyone know how many such malformed transactions there are?
I'd say that's legitimate as lost coins.  Not sure how you'd go about finding similar lost coins though.

38510.26110001
+     0.00224733
38510.26334734

There are 131 of these 'script' transactions so far, and they're still happening.  Here's a list:

Code:
============address==============  ===date====  ==amount==  ==total===
http://blockexplorer.com/b/166533  Feb 12 2012  0.00070359  0.00070359
http://blockexplorer.com/b/166569  Feb 13 2012  0.00360503  0.00430862
http://blockexplorer.com/b/166577  Feb 13 2012  0.00192493  0.00623355
http://blockexplorer.com/b/166607  Feb 13 2012  0.00128911  0.00752266
http://blockexplorer.com/b/166612  Feb 13 2012  0.00244426  0.00996692
http://blockexplorer.com/b/166615  Feb 13 2012  0.00053919  0.01050611
http://blockexplorer.com/b/166628  Feb 13 2012  0.00292673  0.01343284
http://blockexplorer.com/b/166653  Feb 13 2012  0.00023878  0.01367162
http://blockexplorer.com/b/166705  Feb 14 2012  0.00378656  0.01745818
http://blockexplorer.com/b/166726  Feb 14 2012  0.00541471  0.02287289
http://blockexplorer.com/b/166732  Feb 14 2012  0.00543571  0.02830860
http://blockexplorer.com/b/166779  Feb 14 2012  0.00565863  0.03396723
http://blockexplorer.com/b/166794  Feb 14 2012  0.00041597  0.03438320
http://blockexplorer.com/b/166830  Feb 14 2012  0.00514466  0.03952786
http://blockexplorer.com/b/166918  Feb 15 2012  0.00019389  0.03972175
http://blockexplorer.com/b/166922  Feb 15 2012  0.00075685  0.04047860
http://blockexplorer.com/b/166984  Feb 16 2012  0.00281299  0.04329159
http://blockexplorer.com/b/166985  Feb 16 2012  0.00407387  0.04736546
http://blockexplorer.com/b/167161  Feb 17 2012  0.00410972  0.05147518
http://blockexplorer.com/b/167198  Feb 17 2012  0.00415832  0.05563350
http://blockexplorer.com/b/167248  Feb 17 2012  0.00145139  0.05708489
http://blockexplorer.com/b/167271  Feb 18 2012  0.00225675  0.05934164
http://blockexplorer.com/b/167276  Feb 18 2012  0.00207869  0.06142033
http://blockexplorer.com/b/167346  Feb 18 2012  0.00257912  0.06399945
http://blockexplorer.com/b/167363  Feb 18 2012  0.00309957  0.06709902
http://blockexplorer.com/b/167440  Feb 19 2012  0.00007664  0.06717566
http://blockexplorer.com/b/167462  Feb 19 2012  0.00322002  0.07039568
http://blockexplorer.com/b/167481  Feb 19 2012  0.00128328  0.07167896
http://blockexplorer.com/b/167485  Feb 19 2012  0.00045587  0.07213483
http://blockexplorer.com/b/167525  Feb 19 2012  0.00549808  0.07763291
http://blockexplorer.com/b/167555  Feb 19 2012  0.00059496  0.07822787
http://blockexplorer.com/b/167585  Feb 20 2012  0.00399989  0.08222776
http://blockexplorer.com/b/167658  Feb 20 2012  0.00275106  0.08497882
http://blockexplorer.com/b/167667  Feb 20 2012  0.00118138  0.08616020
http://blockexplorer.com/b/167668  Feb 20 2012  0.00000906  0.08616926
http://blockexplorer.com/b/167722  Feb 20 2012  0.00470455  0.09087381
http://blockexplorer.com/b/167825  Feb 21 2012  0.00087694  0.09175075
http://blockexplorer.com/b/167850  Feb 21 2012  0.00427282  0.09602357
http://blockexplorer.com/b/167855  Feb 22 2012  0.00208888  0.09811245
http://blockexplorer.com/b/167883  Feb 22 2012  0.00415304  0.10226549
http://blockexplorer.com/b/167905  Feb 22 2012  0.00005565  0.10232114
http://blockexplorer.com/b/167977  Feb 22 2012  0.00594791  0.10826905
http://blockexplorer.com/b/168021  Feb 23 2012  0.00082734  0.10909639
http://blockexplorer.com/b/168031  Feb 23 2012  0.00431250  0.11340889
http://blockexplorer.com/b/168037  Feb 23 2012  0.00800210  0.12141099
http://blockexplorer.com/b/168070  Feb 23 2012  0.00250262  0.12391361
http://blockexplorer.com/b/168077  Feb 23 2012  0.00472285  0.12863646
http://blockexplorer.com/b/168185  Feb 24 2012  0.00286246  0.13149892
http://blockexplorer.com/b/168197  Feb 24 2012  0.00226009  0.13375901
http://blockexplorer.com/b/168265  Feb 24 2012  0.00057839  0.13433740
http://blockexplorer.com/b/168269  Feb 24 2012  0.00145200  0.13578940
http://blockexplorer.com/b/168279  Feb 24 2012  0.00583032  0.14161972
http://blockexplorer.com/b/168340  Feb 25 2012  0.00077170  0.14239142
http://blockexplorer.com/b/168375  Feb 25 2012  0.00255920  0.14495062
http://blockexplorer.com/b/168430  Feb 25 2012  0.00375652  0.14870714
http://blockexplorer.com/b/168508  Feb 26 2012  0.00051736  0.14922450
http://blockexplorer.com/b/168553  Feb 26 2012  0.00796309  0.15718759
http://blockexplorer.com/b/168710  Feb 27 2012  0.00057744  0.15776503
http://blockexplorer.com/b/168736  Feb 27 2012  0.00242172  0.16018675
http://blockexplorer.com/b/168770  Feb 27 2012  0.00399886  0.16418561
http://blockexplorer.com/b/168792  Feb 27 2012  0.00352397  0.16770958
http://blockexplorer.com/b/168829  Feb 28 2012  0.00532818  0.17303776
http://blockexplorer.com/b/168978  Feb 29 2012  0.00316282  0.17620058
http://blockexplorer.com/b/168984  Feb 29 2012  0.00138952  0.17759010
http://blockexplorer.com/b/169103  Feb 29 2012  0.00755494  0.18514504
http://blockexplorer.com/b/169128  Feb 29 2012  0.00516194  0.19030698
http://blockexplorer.com/b/169146  Mar 01 2012  0.00056122  0.19086820
http://blockexplorer.com/b/169208  Mar 01 2012  0.00050910  0.19137730
http://blockexplorer.com/b/169287  Mar 02 2012  0.00339499  0.19477229
http://blockexplorer.com/b/169319  Mar 02 2012  0.00620574  0.20097803
http://blockexplorer.com/b/169343  Mar 02 2012  0.00468414  0.20566217
http://blockexplorer.com/b/169367  Mar 02 2012  0.00116705  0.20682922
http://blockexplorer.com/b/169398  Mar 02 2012  0.00224733  0.20907655
http://blockexplorer.com/b/169482  Mar 03 2012  0.00464537  0.21372192
http://blockexplorer.com/b/169516  Mar 03 2012  0.00187881  0.21560073
http://blockexplorer.com/b/169573  Mar 04 2012  0.00457810  0.22017883
http://blockexplorer.com/b/169585  Mar 04 2012  0.00629569  0.22647452
http://blockexplorer.com/b/169731  Mar 05 2012  0.00253851  0.22901303
http://blockexplorer.com/b/169766  Mar 05 2012  0.00158564  0.23059867
http://blockexplorer.com/b/169789  Mar 05 2012  0.00441625  0.23501492
http://blockexplorer.com/b/169802  Mar 05 2012  0.00288406  0.23789898
http://blockexplorer.com/b/169821  Mar 06 2012  0.00100676  0.23890574
http://blockexplorer.com/b/169913  Mar 06 2012  0.00406460  0.24297034
http://blockexplorer.com/b/170029  Mar 07 2012  0.00018553  0.24315587
http://blockexplorer.com/b/170046  Mar 07 2012  0.00433286  0.24748873
http://blockexplorer.com/b/170087  Mar 07 2012  0.00291929  0.25040802
http://blockexplorer.com/b/170159  Mar 08 2012  0.00057222  0.25098024
http://blockexplorer.com/b/170186  Mar 08 2012  0.00032761  0.25130785
http://blockexplorer.com/b/170260  Mar 08 2012  0.00575009  0.25705794
http://blockexplorer.com/b/170354  Mar 09 2012  0.00264517  0.25970311
http://blockexplorer.com/b/170362  Mar 09 2012  0.00778668  0.26748979
http://blockexplorer.com/b/170415  Mar 09 2012  0.00150029  0.26899008
http://blockexplorer.com/b/170422  Mar 09 2012  0.00218183  0.27117191
http://blockexplorer.com/b/170436  Mar 10 2012  0.00590602  0.27707793
http://blockexplorer.com/b/170459  Mar 10 2012  0.00167513  0.27875306
http://blockexplorer.com/b/170617  Mar 11 2012  0.00347816  0.28223122
http://blockexplorer.com/b/170633  Mar 11 2012  0.00417667  0.28640789
http://blockexplorer.com/b/170728  Mar 11 2012  0.00422097  0.29062886
http://blockexplorer.com/b/170732  Mar 12 2012  0.00638133  0.29701019
http://blockexplorer.com/b/170740  Mar 12 2012  0.00358863  0.30059882
http://blockexplorer.com/b/170771  Mar 12 2012  0.00582657  0.30642539
http://blockexplorer.com/b/170775  Mar 12 2012  0.00388815  0.31031354
http://blockexplorer.com/b/170791  Mar 12 2012  0.00042056  0.31073410
http://blockexplorer.com/b/170976  Mar 13 2012  0.00025778  0.31099188
http://blockexplorer.com/b/170998  Mar 13 2012  0.00059668  0.31158856
http://blockexplorer.com/b/171003  Mar 13 2012  0.00392645  0.31551501
http://blockexplorer.com/b/171042  Mar 13 2012  0.00522476  0.32073977
http://blockexplorer.com/b/171098  Mar 14 2012  0.00184036  0.32258013
http://blockexplorer.com/b/171107  Mar 14 2012  0.00449177  0.32707190
http://blockexplorer.com/b/171147  Mar 14 2012  0.00492298  0.33199488
http://blockexplorer.com/b/171208  Mar 15 2012  0.00192560  0.33392048
http://blockexplorer.com/b/171265  Mar 15 2012  0.00005350  0.33397398
http://blockexplorer.com/b/171304  Mar 15 2012  0.00204740  0.33602138
http://blockexplorer.com/b/171308  Mar 15 2012  0.00570292  0.34172430
http://blockexplorer.com/b/171333  Mar 16 2012  0.00113558  0.34285988
http://blockexplorer.com/b/171373  Mar 16 2012  0.00006181  0.34292169
http://blockexplorer.com/b/171388  Mar 16 2012  0.00067667  0.34359836
http://blockexplorer.com/b/171456  Mar 16 2012  0.00015301  0.34375137
http://blockexplorer.com/b/171459  Mar 16 2012  0.00565542  0.34940679
http://blockexplorer.com/b/171518  Mar 17 2012  0.00125161  0.35065840
http://blockexplorer.com/b/171535  Mar 17 2012  0.00201801  0.35267641
http://blockexplorer.com/b/171544  Mar 17 2012  0.00111346  0.35378987
http://blockexplorer.com/b/171562  Mar 17 2012  0.00402783  0.35781770
http://blockexplorer.com/b/171613  Mar 17 2012  0.00480879  0.36262649
http://blockexplorer.com/b/171641  Mar 18 2012  0.00434410  0.36697059
http://blockexplorer.com/b/171737  Mar 18 2012  0.00451762  0.37148821
http://blockexplorer.com/b/171764  Mar 18 2012  0.00201367  0.37350188
http://blockexplorer.com/b/171830  Mar 19 2012  0.00506286  0.37856474
http://blockexplorer.com/b/171845  Mar 19 2012  0.00039682  0.37896156
http://blockexplorer.com/b/171852  Mar 19 2012  0.00081491  0.37977647
http://blockexplorer.com/b/171883  Mar 19 2012  0.00196584  0.38174231

So that's 0.38174231 lost in total, and you already counted 0.00224733, leaving 0.37949498 more to add:

38511.76334734
+    0.37949498
38512.14284232

Just-Dice                 ██             
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March 19, 2012, 07:51:54 PM
 #83

I lost a single bitcent because I lost the URL to an Instawallet I had. Tongue

38512.14284232
+ 0.01
38512.15284232

BTC : 1CcpmVDLvR7DgA5deFGScoNhiEtiJnh6H4 - LTC : LYTnoXAHNsemMB2jhCSi1znQqnfupdRkSy
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March 19, 2012, 07:59:49 PM
 #84

I lost 4btc from hdd corruption and formatting without backing up.

38512.14284232
+ 4.00
38516.15284232
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March 19, 2012, 08:02:54 PM
 #85

9000 +
50
____
9050 BTC

There, fixed it. Wink

Actually he 'only' lost 8,999 BTC.

38512.76334734
-      1.00000000
38511.76334734


Edit: disregard this.  maged already made the adjustment

I wasn't quick enough spotting my mistake, so I need to undo it here:

38516.15284232
+      1.0
38517.15284232

Just-Dice                 ██             
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March 19, 2012, 08:05:06 PM
 #86

I lost at least 0.2BTC back in December 2010

38517.15284232
+      0.2
38517.35284232
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March 19, 2012, 09:19:39 PM
 #87

I sent 0.01BTC to my dad on his new mobile. some girl deleted the application. goddam smart phone users, who aint so smart.
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March 19, 2012, 09:38:11 PM
 #88

I lost a single bitcent because I lost the URL to an Instawallet I had. Tongue

38512.14284232
+ 0.01
38512.15284232

this doesn't count as 'lost' with respect to this thread.

that bitcent would still be spendable by the owners of instawallet.
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March 19, 2012, 10:33:13 PM
 #89

Yeah, I know it's an old thread, but wanted to update it with the latest.

So, 2600+ confirmed coins lost by MtGox.

18910.26110001
+2600
21510.26110001

It was 2609.36304319 BTC that was lost; see https://bitcointalk.org/index.php?topic=50206.msg598125#msg598125

38512.15284232
+ 9.36304319
38521.51588551

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March 19, 2012, 10:59:57 PM
 #90

http://blockexplorer.com/address/1DKMg2KmTyQmfiQxDfDsNKVx4PWYa7xga4 lists 1051 individual satoshis in 32 transactions that are unspendable.  They were 'spent' using http://etchablock.com/ which makes up vanity addresses without caring that their private keys aren't known.

2676720 more satoshis were spent by the same address as fees, but they aren't "lost".

The above page includes such gems as 11Bitta1ktvchristmasspecia1WNDvAa and 11MatthewLovesmandaXXXXXXXXabCJPY.  Smiley

38521.51588551
+ 0.00001051
38521.51589602

Just-Dice                 ██             
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March 20, 2012, 12:47:06 AM
 #91

I lost my first coins like the noobs I am!

http://blockexplorer.com/address/1HAEA2h7it1w8U1sLgQYNS9eYLjTCR6Z9E
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March 20, 2012, 08:57:40 AM
 #92


So:

38521.51589602
+    5.661       
38527.17689602

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March 20, 2012, 12:29:32 PM
 #93

38527.17689602
+    0.089 
38527.26589602

thank's god that's no more. I always make backups after the transaction has been approved.

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March 27, 2012, 05:18:41 AM
 #94

I mined 100 BTC in late 2009 back when I thought this was a scam and/or waste of computational power and subsequently formatted the drive of the computer I mined it on sometime in early 2010: (I didn't even remember the wallet address)

38527.26589602
+ 100
38627.26589602

I went back to doing Folding@Home and other computational tasks. For what it is worth, I'm very sorry to have destroyed this 100 BTC. Not just for myself, but because I didn't believe in what would later become something I did believe in.

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March 27, 2012, 06:25:14 AM
 #95

SgtSpike, you've done such a fine job maintaining this thread, I thought it best if you were the one to start and maintain another one, one with much importance.

KNOWN bitcoins donated to non-profits (or something similar/catchy--"Re:" in front?)

You could start with these two below on your new thread, making sure to link the non-profit's donation page and BTC amount to its blockchain info, as shown below.

Group B Strep International (GBSI) ~ 130.05405 BTC

Internet Archive ~ 515.32217001 BTC

  130.05405
+515.32217001
  645.37622

As in this thread, users can also keep track of the running total, with you, along us, acting as moderators, double checking the reliability of all submissions.

~Bruno~
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March 27, 2012, 07:27:29 AM
 #96

SgtSpike, you've done such a fine job maintaining this thread, I thought it best if you were the one to start and maintain another one, one with much importance.

KNOWN bitcoins donated to non-profits (or something similar/catchy--"Re:" in front?)

You could start with these two below on your new thread, making sure to link the non-profit's donation page and BTC amount to its blockchain info, as shown below.

Group B Strep International (GBSI) ~ 130.05405 BTC

Internet Archive ~ 515.32217001 BTC

  130.05405
+515.32217001
  645.37622

As in this thread, users can also keep track of the running total, with you, along us, acting as moderators, double checking the reliability of all submissions.

~Bruno~

Ok, interesting idea, I might take you up on that.  Wink

Most non-profits who accept Bitcoins have public Bitcoin addresses, so wouldn't tracking totals donated to them be as simple as looking up the current balance in a given address?
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March 27, 2012, 07:32:20 AM
 #97

I've lost 40 coins.

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March 27, 2012, 07:37:36 AM
 #98

SgtSpike, you've done such a fine job maintaining this thread, I thought it best if you were the one to start and maintain another one, one with much importance.

KNOWN bitcoins donated to non-profits (or something similar/catchy--"Re:" in front?)

You could start with these two below on your new thread, making sure to link the non-profit's donation page and BTC amount to its blockchain info, as shown below.

Group B Strep International (GBSI) ~ 130.05405 BTC

Internet Archive ~ 515.32217001 BTC

  130.05405
+515.32217001
  645.37622

As in this thread, users can also keep track of the running total, with you, along us, acting as moderators, double checking the reliability of all submissions.

~Bruno~

Ok, interesting idea, I might take you up on that.  Wink

Most non-profits who accept Bitcoins have public Bitcoin addresses, so wouldn't tracking totals donated to them be as simple as looking up the current balance in a given address?

Exactly! One could view the grand total to date via blockchain. Every so often, users will check, on their own, if the total has changed, and if it has, they'll post the added coins to the running total.

~Bruno~
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March 27, 2012, 04:29:41 PM
 #99

38627.26589602
+ 42
38669.26589602

Lost 2 coins + the 40 that finway lost.

Bitcoins - Because we should not pay to use our money
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June 22, 2012, 11:21:56 PM
 #100

38669.26589602
Sigh. Here's 0.07 (it was slightly more than that, but I don't remember the other digits) for you all to share among yourselves.  Smiley

So I was mining with p2pool on a spare machine, waiting for the coins to age a bit before transferring them to my main wallet. (Which is backed up, of course!) Unfortunately, one of my colleagues repartitioned the disk.  Sad I've spent a while - considerably more than 30 pennyworth of my time! - trying to find the lost partition, but to no avail.

New total: 38669.33589602

Toby.
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June 22, 2012, 11:26:10 PM
 #101

Has anyone searched old forum posts for lost coins from old members who may not have visited in a long time?

Hardforks aren't that hard. It’s getting others to use them that's hard.
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June 22, 2012, 11:45:31 PM
 #102

I may or may not have lost ~1300 because of a lost encryption key... Heres to hoping the data recovery company can get my bitlocker key off a dead flash drive.

1D7FJWRzeKa4SLmTznd3JpeNU13L1ErEco
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June 25, 2012, 06:08:37 AM
 #103

2btc was on my phone, Put cyanogen mod 9 on, i Thought I backed up the wallet file, but I can't remember where I put it.

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June 25, 2012, 10:17:26 AM
 #104

when i first got into bitcoin, i mined for a while on my nvidia geforce 260... got up to about 2.25 btc. backed up the wallet along the way of course, and password encrypted the rar file using part of the "ring script" aka, that phrase inscribed on the "one ring" from lord of the rings. after reinstalling windows, the encrypted copy was the only backup i had. go to retrive it and... wrong password? what? oh god! hours pass, trying every concievable capitaliziation and spelling variation i could think of, searching the forum for ways to recover the unecrypted wallet or such... to no avail, of course.

then a year later or so i tried it again just for the heck of it and opened the file on the first try, of course. loss SAVED!

so, no losses here! but still, very interestign thread. makes me cringe at the thought of what the total losses are worth at current spot price...

i don't post much, but this space for rent.
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July 07, 2012, 12:39:00 PM
 #105

Interesting thread, and the numbers in here needs to be taken into account when trying to guesstimate what " BTC will be worth if X happens.

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July 07, 2012, 08:34:21 PM
 #106

3btc to bitscalper

at the time it was only worth $6

not technically lost, but gone forever.

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
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August 17, 2012, 02:51:11 AM
 #107

Actually, it might be possible to figure out the total number of lost Bitcoins using a mathematical approximation.

I believe it is safe to say that the probability of a wallet's private key being lost is inversely proportional to the balance. We can model the expected loss over time as a Poisson process (http://en.wikipedia.org/wiki/Poisson_process), using the known data on lost Bitcoins to minimize the error.

I'm no math expert however.
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August 17, 2012, 03:30:54 AM
 #108

What about the early blocks that still have untouched 50btc in them and no other transactions?

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August 17, 2012, 03:49:03 AM
 #109

What about the early blocks that still have untouched 50btc in them and no other transactions?
If we don't know they are lost, they cannot be added to this list.
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August 17, 2012, 03:50:36 AM
 #110

What about the early blocks that still have untouched 50btc in them and no other transactions?
If we don't know they are lost, they cannot be added to this list.

have you kept up with the tally?
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August 17, 2012, 03:59:15 AM
 #111

What about the early blocks that still have untouched 50btc in them and no other transactions?
If we don't know they are lost, they cannot be added to this list.

have you kept up with the tally?

If that was aimed at me, don't mind me, just trolling!

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August 17, 2012, 02:49:05 PM
 #112

9000 +
50
____
9050 BTC

There, fixed it. Wink
You lost 9K BTC?Huh?? WTF are you thinking?  You should've ordered the  10K pizza.

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August 17, 2012, 03:01:09 PM
 #113

Not me, no. This guy: http://bitcointalk.org/index.php?topic=782.0
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August 17, 2012, 03:04:09 PM
 #114

Wow just reading the thread. It's actually 8999 not 9k. He still had 1 BTC.. Wow, just wow

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August 18, 2012, 03:00:02 AM
 #115

38669.33589602
Hello!

I noticed that this thread is lacking Stefan Thomas's great loss of 7000 BTC. With this included, the new total is:

45669.33589602
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August 18, 2012, 04:37:11 AM
 #116

38669.33589602
Hello!

I noticed that this thread is lacking Stefan Thomas's great loss of 7000 BTC. With this included, the new total is:

45669.33589602
Can you link to the details of said loss?  I'd like to have things as well-documented as possible.  Thanks!
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August 18, 2012, 02:10:30 PM
 #117

Quote
Both the code and the idea of bitcoin may hav ebeen impregnable, but bitcoins themselves -- unique strings of numbers that constitute units of the currency -- are discrete pieces of information that have to be sorted somewhere. By default bitcoin kept users' currency in a digital "wallet" on their desktop, and when bitcoins were worth very little, easy to mine and possessed only by techies, that was sufficient. But once they became valuable, a PC felt inadequate. Some users protected bitcoins by creating multiple backups, encrypting and storing them on thumb drives, on forensically scrubbed virgin computers without internet connections, in the cloud, and on printouts stored in safe deposit boxes. But even some sophisticated early adopters had trouble keeping their bitcoins safe. Stefan Thomas had three copies of his wallet yet inadvertently managed to erase two of them and lose his password for the third. In a stroke, he lost about 7,000 bitcoins, at the time worth about $140,000. "I spent a week trying to recover it," he says. "It was pretty painful."
From: http://www.wired.co.uk/magazine/archive/2012/01/features/the-rise-and-fall-of-bitcoin?page=all
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August 18, 2012, 06:18:35 PM
 #118

I accodently sent 0.25 to an inactive address. No idea how I did it but I did.
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August 19, 2012, 07:33:29 PM
 #119

You know. I was talking to a friend of mine and we came up with an agreement.

There is no such thing as LOST bitcoins. They are simply misplaced or UNSPENT.

So unless you have the private key to SPEND them then they stay where they are. This is a security measure of course too.

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August 19, 2012, 07:49:05 PM
 #120

38669.33589602
Hello!

I noticed that this thread is lacking Stefan Thomas's great loss of 7000 BTC. With this included, the new total is:

45669.33589602

I'll come clean too, I got into this when CPU mining was the way (0.2 client).   I don't want to go into details be here is the damage:

27,000 BTC


New Total:  BTC72,669.33589602

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Transaction List: jayson3 +5 - ColdHardMetal +3 - Nolo +2 - CoinHoarder +1 - Elxiliath +1 - tymm0 +1 - Johnniewalker +1 - Oscer +1 - Davidj411 +1 - BitCoiner2012 +1 - dstruct2k +1 - Philj +1 - camolist +1 - exahash +1 - Littleshop +1 - Severian +1 - DebitMe +1 - lepenguin +1 - StringTheory +1 - amagimetals +1 - jcoin200 +1 - serp +1 - klintay +1 - -droid- +1 - FlutterPie +1
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August 19, 2012, 07:55:53 PM
 #121

38669.33589602
Hello!

I noticed that this thread is lacking Stefan Thomas's great loss of 7000 BTC. With this included, the new total is:

45669.33589602

I'll come clean too, I got into this when CPU mining was the way (0.2 client).   I don't want to go into details be here is the damage:

27,000 BTC


New Total:  BTC72,669.33589602

OMG I feel for you. Must suck knowing that you threw away at CEILING Half a million dollars Sad

Here... You may use my vomit bucket. Just please don't jump off a building!

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August 19, 2012, 07:59:47 PM
 #122

38669.33589602
Hello!

I noticed that this thread is lacking Stefan Thomas's great loss of 7000 BTC. With this included, the new total is:

45669.33589602

I'll come clean too, I got into this when CPU mining was the way (0.2 client).   I don't want to go into details be here is the damage:

27,000 BTC


New Total:  BTC72,669.33589602

OMG I feel for you. Must suck knowing that you threw away at CEILING Half a million dollars Sad

Here... You may use my vomit bucket. Just please don't jump off a building!

Nah, I am good.  First thing I did was do a forensic data scan on the drive to look for fragments.  I only found 5BTC literally.   What it told me is that Bitcoin was getting serious and I told myself I am going to make a second go at it.    BTC were worth .002 USD at the time so I didn't pay much attention.   

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Transaction List: jayson3 +5 - ColdHardMetal +3 - Nolo +2 - CoinHoarder +1 - Elxiliath +1 - tymm0 +1 - Johnniewalker +1 - Oscer +1 - Davidj411 +1 - BitCoiner2012 +1 - dstruct2k +1 - Philj +1 - camolist +1 - exahash +1 - Littleshop +1 - Severian +1 - DebitMe +1 - lepenguin +1 - StringTheory +1 - amagimetals +1 - jcoin200 +1 - serp +1 - klintay +1 - -droid- +1 - FlutterPie +1
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August 20, 2012, 10:19:36 PM
 #123

38669.33589602
Hello!

I noticed that this thread is lacking Stefan Thomas's great loss of 7000 BTC. With this included, the new total is:

45669.33589602

I'll come clean too, I got into this when CPU mining was the way (0.2 client).   I don't want to go into details be here is the damage:

27,000 BTC


New Total:  BTC72,669.33589602

OMG I feel for you. Must suck knowing that you threw away at CEILING Half a million dollars Sad

Here... You may use my vomit bucket. Just please don't jump off a building!

Nah, I am good.  First thing I did was do a forensic data scan on the drive to look for fragments.  I only found 5BTC literally.   What it told me is that Bitcoin was getting serious and I told myself I am going to make a second go at it.    BTC were worth .002 USD at the time so I didn't pay much attention.   
I'll buy that drive from you... well, if you haven't used it since then.  Cheesy
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August 21, 2012, 01:00:35 AM
 #124

38669.33589602
Hello!

I noticed that this thread is lacking Stefan Thomas's great loss of 7000 BTC. With this included, the new total is:

45669.33589602

I'll come clean too, I got into this when CPU mining was the way (0.2 client).   I don't want to go into details be here is the damage:

27,000 BTC


New Total:  BTC72,669.33589602

OMG I feel for you. Must suck knowing that you threw away at CEILING Half a million dollars Sad

Here... You may use my vomit bucket. Just please don't jump off a building!

Nah, I am good.  First thing I did was do a forensic data scan on the drive to look for fragments.  I only found 5BTC literally.   What it told me is that Bitcoin was getting serious and I told myself I am going to make a second go at it.    BTC were worth .002 USD at the time so I didn't pay much attention.   
I'll buy that drive from you... well, if you haven't used it since then.  Cheesy

I'll place a bid on that drive too.

SgtSpike you bid first.

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January 27, 2013, 04:15:04 PM
 #125

Based on this thread and other sources, I have complied a list of all known loss: https://docs.google.com/a/ij.hk/spreadsheet/ccc?key=0Ahdy3Je_nYdOdFVocm4yTzhZOW1waWd6SFJIVHUwYUE#gid=0

Events are included if coins are recoverable only with blockchain hard-fork, burst-forcing of private key, or exploiting flaws in bitcoin protocol (including hash algorithms and public key encryption). The following events are excluded:
  • Thefts which the coins are spendable by the thief
  • Loss of password to a service, where the service provider holds the private key
  • Sending coins to a wrong address, unless evidence shows that private key of the address is unknown to anyone
  • Without basic information, e.g. "I lose coins but do not want to explain"

Events are classified into 5 major categories:
  • Unverifiable claim: an user claimed he/she lost bitcoin without showing related transaction/address. The amount could be an estimation. The user may have recovered the coins without telling the forum.
  • Suspicious claim: an unverifiable claim without a matching event on the blockchain.
  • Verifiable claim: transaction id / address is known. If it is spent in the future, it will be removed from the list.
  • Permanent loss: usually for output with an unspendable script. It is not recoverable without a hard fork.
  • Address with unknown private key: the address is created without knowing the private key. It is recoverable only with brust-forcing or exploiting flaws in bitcoin protocol
Amounts are exact except for unverifiable claims.

Amount of lost coins:
  • Total confirmed loss = permanent loss + unknown private key: 2,731.84195637
  • Total unverifiable claimed loss: 59,465.76900000
  • Total verifiable claimed loss: 9,006.66100000
  • Total loss: 71,204.27195637
  • Total suspicious claims: 7,208.00000000
  • Total loss minus suspicious claims: 63,996.27195637

I am sure there are cases missing. Please help me to complete the list!

If you like this list, please give some tips to 1CiZPrEJdN4FJcqdLdgVLzT8tgCXxT5ion . Thank you!

Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
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January 28, 2013, 04:18:14 PM
 #126

Nicely done jl2012!
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February 06, 2013, 07:10:19 AM
 #127

You can also add the unspendable bitcoins in transactions such as these.

http://blockexplorer.com/tx/81f591582b436c5b129f347fe7e681afd6811417973c4a4f83b18e92a9d130fd
http://blockexplorer.com/tx/111291fcf8ab84803d42ec59cb4eaceadd661185242a1e8f4b7e49b79ecbe5f3
http://blockexplorer.com/tx/ddddf9f04b4c1d4e1185cacf5cf302f3d11dee5d74f71721d741fbb507062e9e
http://blockexplorer.com/tx/305fbc2ec7f7f2bc5a21d2dfb01a5fc52ab5d064a7278e2ecbab0d2a27b8c392
http://blockexplorer.com/tx/aa62bdd690de061a6fbbd88420f7a7aa574ba86da4fe82edc27e2263f8743988

Theres quite a few of them if you look through strange transactions.

1D7FJWRzeKa4SLmTznd3JpeNU13L1ErEco
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February 06, 2013, 07:54:50 AM
 #128


These are the well-known mtgox loss and already included.

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February 06, 2013, 08:15:07 AM
 #129

You have a spectrum of losses here, ranging from definitely lost to possibly lost.  You are starting to cross into the territory where you can take some educated guesses at "possibly lost".

Not to totally derail this thread, but there was a thread last week that talked about the fact that the most popular amounts held in a Bitcoin Address are 1 satoshi and 50 BTC.  If I recall correctly, there were 2 Million BTC held in Bitcoin Addresses with 50 BTC.  Since 50 BTC almost certainly means that it was a mined coin with no transaction fees, then these must have been in the early days.

This would definitely be something I would have done... hear about Bitcoin, download the client with the built-in miner.  Run it for a few days, generate 50 Bitcoins, decide that was a worthless project and move on to the next idea.  I'm sure other people did that back in early 2009 too.  I would bet that the vast majority of 50 BTC accounts that are the result of CPU-based mining with no transaction fees are lost.

I would bet that 15-20% of coins are lost permanently.
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February 06, 2013, 07:11:40 PM
 #130

That might be why the limit is 21 millions. Satoshi would expect 1 million coins to get lost, so the remaining coins in circulation would make a nice round number. Just saying.
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February 07, 2013, 01:17:40 AM
 #131

I have 5 coins stuck on a hard drive. I cleaned out the computer with compressed air and it quit working. I was told that the drive is good just the motherboard was bad.
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February 07, 2013, 01:26:20 AM
 #132

I have just lost 1 btc by sending it to a wrong instawallet address...   Sad

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February 07, 2013, 01:27:49 AM
 #133

I have just lost 1 btc by sending it to a wrong instawallet address...   Sad

instawallet's owners have control of that wallet, so that coin is not lost.

sucks for you though.
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February 07, 2013, 01:30:03 AM
 #134

I forgot but I also sent a coin to a wallet that cant be accessed. The customer sent a address that they couldnt get to. I lost the coin and they charged back. So I have 5 stuck on a hard drive and 1 that I believe cant be recovered.  
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February 07, 2013, 02:51:04 AM
 #135

I forgot but I also sent a coin to a wallet that cant be accessed. The customer sent a address that they couldnt get to. I lost the coin and they charged back. So I have 5 stuck on a hard drive and 1 that I believe cant be recovered.  
Well, the 5 on the hard drive can be recovered so we cannot add to the list.  The 1, however, can be added.  Use the format as designated in the beginning of this thread to add it...!
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February 07, 2013, 04:03:49 AM
 #136

I forgot but I also sent a coin to a wallet that cant be accessed. The customer sent a address that they couldnt get to. I lost the coin and they charged back. So I have 5 stuck on a hard drive and 1 that I believe cant be recovered.  
Well, the 5 on the hard drive can be recovered so we cannot add to the list.  The 1, however, can be added.  Use the format as designated in the beginning of this thread to add it...!

No, "The customer sent a address that they couldnt get to" does not mean no one could get to that address.

Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
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February 07, 2013, 04:07:16 AM
 #137

No, "The customer sent a address that they couldnt get to" does not mean no one could get to that address.

yeah that actually could be in exactly the same category as the above "instawallet user couldn't get to coins, but instawallet owners can".
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February 07, 2013, 04:10:54 AM
 #138

That might be why the limit is 21 millions. Satoshi would expect 1 million coins to get lost, so the remaining coins in circulation would make a nice round number. Just saying.

That's because on average we have 210384 blocks in every 4 years, and rounding up to 210000.

Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
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February 07, 2013, 04:39:32 AM
 #139

No, "The customer sent a address that they couldnt get to" does not mean no one could get to that address.

yeah that actually could be in exactly the same category as the above "instawallet user couldn't get to coins, but instawallet owners can".

Ah, good point.  It could be someone else's legitimate address.  We'd need clarification from sublime on tha.
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February 07, 2013, 04:58:54 AM
 #140

Could it be possible to send coins to an unused address, so that someone gets a surprise when they generate a new address? hmm...
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February 07, 2013, 05:04:27 AM
 #141

Could it be possible to send coins to an unused address, so that someone gets a surprise when they generate a new address? hmm...
No.  It would take longer than the life of the universe to accidentally generate an address with coins already in it.
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February 07, 2013, 05:07:53 AM
 #142

Could it be possible to send coins to an unused address, so that someone gets a surprise when they generate a new address? hmm...

Yes. But it may take longer than the life of the universe to accidentally generate an address with coins already in it.
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February 08, 2013, 12:25:53 PM
 #143

Well, you can add the 25 I sent to what I THOUGHT was my instawallet address about a year ago. There, I made you all a bit (albeit a tiny, little, almost insignificant bit) richer.
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February 08, 2013, 12:32:02 PM
 #144

Well, you can add the 25 I sent to what I THOUGHT was my instawallet address about a year ago. There, I made you all a bit (albeit a tiny, little, almost insignificant bit) richer.

You lost the coins, but the coins were not lost

Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
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February 08, 2013, 12:36:54 PM
 #145

Well, you can add the 25 I sent to what I THOUGHT was my instawallet address about a year ago. There, I made you all a bit (albeit a tiny, little, almost insignificant bit) richer.

You lost the coins, but the coins were not lost

I agree, they're still there. But if instawallet works as advertised, they might as well not be. No one will ever be able to get to them... they're effectively gone.

In fact, they're not there, because there's no THEM. Bitcoin is an accounting system, not a series of defined monetary units. There's a record of a transaction in which I sent 25 BTC to an address... but damned if I know how to get them back.
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February 08, 2013, 12:45:04 PM
 #146

Well, you can add the 25 I sent to what I THOUGHT was my instawallet address about a year ago. There, I made you all a bit (albeit a tiny, little, almost insignificant bit) richer.

You lost the coins, but the coins were not lost

I agree, they're still there. But if instawallet works as advertised, they might as well not be. No one will ever be able to get to them... they're effectively gone.

In fact, they're not there, because there's no THEM. Bitcoin is an accounting system, not a series of defined monetary units. There's a record of a transaction in which I sent 25 BTC to an address... but damned if I know how to get them back.

Instawallet is a shared wallet. The operator holds all private keys

Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
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February 08, 2013, 02:13:43 PM
 #147

Well, you can add the 25 I sent to what I THOUGHT was my instawallet address about a year ago. There, I made you all a bit (albeit a tiny, little, almost insignificant bit) richer.

You lost the coins, but the coins were not lost

I agree, they're still there. But if instawallet works as advertised, they might as well not be. No one will ever be able to get to them... they're effectively gone.

In fact, they're not there, because there's no THEM. Bitcoin is an accounting system, not a series of defined monetary units. There's a record of a transaction in which I sent 25 BTC to an address... but damned if I know how to get them back.

Instawallet is a shared wallet. The operator holds all private keys

The operator does not know that the coins are lost, so treats them as any other coins—the operator will not spend the coins. So the coins are effectively lost.
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February 08, 2013, 02:19:13 PM
 #148

Well, you can add the 25 I sent to what I THOUGHT was my instawallet address about a year ago. There, I made you all a bit (albeit a tiny, little, almost insignificant bit) richer.

You lost the coins, but the coins were not lost

I agree, they're still there. But if instawallet works as advertised, they might as well not be. No one will ever be able to get to them... they're effectively gone.

In fact, they're not there, because there's no THEM. Bitcoin is an accounting system, not a series of defined monetary units. There's a record of a transaction in which I sent 25 BTC to an address... but damned if I know how to get them back.

Instawallet is a shared wallet. The operator holds all private keys

The operator does not know that the coins are lost, so treats them as any other coins—the operator will not spend the coins. So the coins are effectively lost.

Just like depositing cash to a bank, coins in instawallet are mixed so you can't say which particularly coins are lost. Also, instawallet may change their TOS and charge service fee in the future, or they may get hacked, and those "lost coins" will be circulated again.

Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
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February 08, 2013, 04:24:32 PM
 #149

Well, you can add the 25 I sent to what I THOUGHT was my instawallet address about a year ago. There, I made you all a bit (albeit a tiny, little, almost insignificant bit) richer.

You lost the coins, but the coins were not lost

I agree, they're still there. But if instawallet works as advertised, they might as well not be. No one will ever be able to get to them... they're effectively gone.

In fact, they're not there, because there's no THEM. Bitcoin is an accounting system, not a series of defined monetary units. There's a record of a transaction in which I sent 25 BTC to an address... but damned if I know how to get them back.

Instawallet is a shared wallet. The operator holds all private keys

The operator does not know that the coins are lost, so treats them as any other coins—the operator will not spend the coins. So the coins are effectively lost.
For now, anyway.  The operator could choose to shut down his service, and give everyone 6 months to take their coins off his site.  He could claim the remainder as his.

Or, he could simply up and run away with everyone's funds.

These coins are not lost - they are still controlled by someone.  They should not be added to the list, since they could re-enter circulation at some point in the future.  This thread is only for coins that cannot re-enter circulation.
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February 08, 2013, 10:32:26 PM
 #150

He could also claim (rightfully) that instawallet is not a long-term wallet storage, and should not be used for such, and declare that any accounts that have not moved coins over the last two years will be considered "lost" and emptied within the next however many months. I would actually totally expect instawallet to do that, since it's in their best interest to keep their hot wallet as small (and thus as small of a target) as possible, and accumulating lost coins only increases their risks, and thus costs.

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March 09, 2013, 11:56:12 PM
 #151

I have lost:
3.14482421 BTC
31.22782779 BTC

Because of bug in MultiBit wallet  Lips sealed

DARKNET MARKETS >> https://DARKNETMARKETS.COM
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March 10, 2013, 03:02:13 AM
 #152

I have lost:
3.14482421 BTC
31.22782779 BTC

Because of bug in MultiBit wallet  Lips sealed

Do you lose the private keys to the addresses?

Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
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March 11, 2013, 02:36:02 AM
 #153

I have lost:
3.14482421 BTC
31.22782779 BTC

Because of bug in MultiBit wallet  Lips sealed

Do you lose the private keys to the addresses?

Yes. My bitcoins are still here:
https://blockchain.info/address/15ZMCFvj6LBnNPufa97LEo6544XScqETP6
https://blockchain.info/address/1BdE3uE4xLqWHfrjuPWmAywshfBX8v7xA2

But my MultiBit wallet lost keys for these addresses. I made several copies of my wallet, but private keys were wrong from the beginning.

DARKNET MARKETS >> https://DARKNETMARKETS.COM
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March 16, 2013, 08:22:25 AM
 #154

+150

https://bitcointalk.org/index.php?topic=153514.msg1629650#msg1629650

I know this because Tyler knows this.
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March 16, 2013, 08:55:09 AM
 #155

I have lost:
3.14482421 BTC
31.22782779 BTC

Because of bug in MultiBit wallet  Lips sealed

Do you lose the private keys to the addresses?

Yes. My bitcoins are still here:
https://blockchain.info/address/15ZMCFvj6LBnNPufa97LEo6544XScqETP6
https://blockchain.info/address/1BdE3uE4xLqWHfrjuPWmAywshfBX8v7xA2

But my MultiBit wallet lost keys for these addresses. I made several copies of my wallet, but private keys were wrong from the beginning.

This sucks hard. Have you contacted the developer? Has the bug been fixed?
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March 16, 2013, 10:51:04 AM
 #156

I have lost:
3.14482421 BTC
31.22782779 BTC

Because of bug in MultiBit wallet  Lips sealed

Do you lose the private keys to the addresses?

Yes. My bitcoins are still here:
https://blockchain.info/address/15ZMCFvj6LBnNPufa97LEo6544XScqETP6
https://blockchain.info/address/1BdE3uE4xLqWHfrjuPWmAywshfBX8v7xA2

But my MultiBit wallet lost keys for these addresses. I made several copies of my wallet, but private keys were wrong from the beginning.

This sucks hard. Have you contacted the developer? Has the bug been fixed?

Yes that's sucks really hard. I am not using Multibit anymore, it's too risky. Of course I contacted Jim (developer) and he made all effort to recover my Bitcoins but without success. Bug has not been identified so it's still in the wild. If you using Multibit, please be careful, always add all your private keys to different wallet and compare addresses after.

DARKNET MARKETS >> https://DARKNETMARKETS.COM
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March 16, 2013, 02:14:15 PM
 #157

Bug has not been identified so it's still in the wild.

What? That sounds very disturbing. There is no mention of a critical issue that could destroy all your coins on the Multibit website. Since when has this issue been known and what steps have been taken by the developers?
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March 16, 2013, 03:27:50 PM
 #158

I discovered this bug in December 2012 but I didn't realize back then that my Bitcoins addresses are gone forever. I was discussing problems with sending Bitcoins from my wallet with Multibit main developer, jim618. But we both wasn't aware how serious this problem is, and my reported issue has been put away to his queue.
In February 2013 I checked again all my private keys and all adresses and realized that two private keys not match my Bitcoin addresses. Keys were for different address, but wallet still thought that they match and kept trying to do my transactions using wrong private keys, which was of course unsuccessful. Then I contacted Jim again, I sent him my wallet with some backups from past, but all of them contained wrong private keys and recovery failed completely.
This is a really serious bug. Everytime you create new receiving address you should check it triple times on different wallets like Satoshi Client of Blockchain that private key match Bitcoins address - otherwise any payment sent to these addresses will be gone forever.

DARKNET MARKETS >> https://DARKNETMARKETS.COM
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April 02, 2013, 11:17:39 PM
 #159

Could it be possible to send coins to an unused address, so that someone gets a surprise when they generate a new address? hmm...
No.  It would take longer than the life of the universe to accidentally generate an address with coins already in it.

This is also assuming that RIPEMD is reversible.
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April 04, 2013, 10:56:57 AM
 #160

Do we include this?

Quote
My developer friend was paid 500 bit coin for a $200 project by some Russians a few years ago. He took then off the exchange and forgot about them. A year ago, he gave his mac to his brother. Because of the bitcoin craze of the past month, he checked his old computer. It has been completely reformatted and replaced with Windows. $45,000 gone, just like that.

Just-Dice                 ██             
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April 04, 2013, 07:29:17 PM
 #161

Do we include this?

Quote
My developer friend was paid 500 bit coin for a $200 project by some Russians a few years ago. He took then off the exchange and forgot about them. A year ago, he gave his mac to his brother. Because of the bitcoin craze of the past month, he checked his old computer. It has been completely reformatted and replaced with Windows. $45,000 gone, just like that.
May as well...

If I was some of these people who lost coins, I'd be looking into some serious forensic data recovery at this point.  Or at least selling the drives to someone who has the capital to risk in attempting it.  $45k is no laughing matter...
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April 08, 2013, 01:33:08 AM
 #162

I lost a wallet with 88 btc in 2011.
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June 12, 2013, 04:11:50 PM
Last edit: June 12, 2013, 04:22:31 PM by conspirosphere.tk
 #163

I sent a total of 25 BTC to an address that I was convinced to own in one of my wallets to keep them safe.
Now I realized that that address is in none of my wallets  Shocked

edit: I found that wallet again in an old redundant backup! whew!
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June 12, 2013, 04:21:17 PM
 #164

I think I lost 0.1 a while ago.

What happened is my Bitcoin-Qt client completely died on me, and wouldn't open. I had 1.1 Bitcoins in my wallet at the time. In the end I transferred it to an online wallet using the wallet.dat file but only managed to recover the bitcoin, and not the .1. Guess it's lost forever now.

So yeah, +0.1

Freelance writer at CoinBuzz.com
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June 12, 2013, 04:25:28 PM
 #165

+1.3 - Blockchain wallet hacked

Elastic.pw Elastic - The Decentralized Supercomputer
ELASTIC ANNOUNCEMENT THREAD | ELASTIC SLACK | ELASTIC FORUM
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June 12, 2013, 04:46:18 PM
 #166

+1.3 - Blockchain wallet hacked
That's not lost Bitcoins - they are still accessible by someone.
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June 12, 2013, 05:37:28 PM
 #167

I lost 78 bitcoins when I encrypted my wallet and mistyped my password.
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June 13, 2013, 12:12:54 AM
 #168

I lost 78 bitcoins when I encrypted my wallet and mistyped my password.

Well, that can't be too hard to re-create, no?

Its price is not a very relevant factor in its adoption....
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June 13, 2013, 07:06:18 AM
 #169

I lost 78 bitcoins when I encrypted my wallet and mistyped my password.

If you remember anything about the format of the password, then there are a number of scripts in these forums to help you figure out what it was.  Specifically, the Development and Technical Discussion board.  PM me if you need help.

1DentLdiRMv3dpmpmqWsQev8BUaty9vN3v
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June 13, 2013, 02:53:01 PM
 #170

This was over a year ago when I was first getting into BTC, I no longer have that computer Cry. I wish I had known about this forum then.
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June 13, 2013, 02:55:31 PM
 #171

This was over a year ago when I was first getting into BTC, I no longer have that computer Cry. I wish I had known about this forum then.

One of the biggest fails in a while...

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June 13, 2013, 02:59:28 PM
 #172

This was over a year ago when I was first getting into BTC, I no longer have that computer Cry. I wish I had known about this forum then.

Contact buyer and say you lost sensitive data on the hard drive which you'd like to attempt to recover. If the new owner is using the computer offer to buy a new HD and copy all the data over. Also offer him some money for the convenience.
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June 13, 2013, 03:25:38 PM
 #173

I sent a total of 4.0624 BTC to the genesis block that was mined by Satoshi Nakamoto & which can't be spent due to a quirk in the way that the genesis block is expressed in the code (this may have been intentional).

1G5apmPvo2iTtmkNWAHTCET7Y842Ufijs8 ~ I sent 0.0624 BTC on 2012 07 15

1ASTRv7aBipHxXH2iF5XfchNBdWWYbjbSo ~ I sent 4 BTC on 2013 01 27

http://blockexplorer.com/address/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa

The total all together that's been sent there (including the 50 BTC mined coins reward) & hence it's balance is 63.02319969 BTC atm (last TX was for 1 BTC on 2013 05 26)

I'll let someone who's been following this thread work out what's best to add to the running total, I didn't see the genesis block mentioned before here but expect that I may have missed it in my quick look through the posts.

BTC = $c²     My BTC addie = 1otohotohMoQoxHuxLBveQiZcV3Pji3Tc     DASH, Digital Cash = www.dash.org     VIA, The future of crypto-currency = www.via.org 
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June 13, 2013, 03:29:27 PM
 #174

Why did you do that? Throwing a penny in a wishing well is cheaper Wink
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June 13, 2013, 03:36:54 PM
 #175

Why did you do that? Throwing a penny in a wishing well is cheaper Wink

Yes, indeed: https://bitcointalk.org/index.php?topic=157401.msg1674850#msg1674850 - I like to think of it as the ultimate Bitcoin wishing well, rather than the balls up that I made after too many drinks. Embarrassed

The first 0.0624 was for fun or something, a symbolic recognition of Satoshi's work, but the second 4 BTC was doing a TX when tipsy & the blockchain.info wallet had remembered that as a previous address I'd sent to & helpfully suggested it when I made a typo or mis-clicked or something, really scary as it could have been much more but all totally my fault, I weeded out my address book after that.

Edit: Maybe I had it labeled as Satoshi's genesis address & it was in my brief time of playing with SatoshiDICE which I saved a few entry addresses for & confused it with one of those maybe, not sure - those brain cells like the coins are gone.

BTC = $c²     My BTC addie = 1otohotohMoQoxHuxLBveQiZcV3Pji3Tc     DASH, Digital Cash = www.dash.org     VIA, The future of crypto-currency = www.via.org 
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June 13, 2013, 03:40:28 PM
 #176

Why did you do that? Throwing a penny in a wishing well is cheaper Wink

Yes, indeed: https://bitcointalk.org/index.php?topic=157401.msg1674850#msg1674850 - I like to think of it as the ultimate Bitcoin wishing well, rather than the balls up that I made after too many drinks. Embarrassed

The first 0.0624 was for fun or something, a symbolic recognition of Satoshi's work, but the second 4 BTC was doing a TX when tipsy & the blockchain.info wallet had remembered that as a previous address I'd sent to & helpfully suggested it when I made a typo or mis-clicked or something, really scary as it could have been much more but all totally my fault, I weeded out my address book after that.

Haha, I guess you wished you hadn't done that, but it didn't come true huh? Wink

Oh and sorry that made me laugh, I feel sorry you lost 4 BTC. Tough luck dude.
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June 13, 2013, 03:44:19 PM
 #177

Lol, hehe, that's OK I made a wish anyway, a different one Wink

can't say if it's come true as yet because meant to keep those things secret Smiley

BTC = $c²     My BTC addie = 1otohotohMoQoxHuxLBveQiZcV3Pji3Tc     DASH, Digital Cash = www.dash.org     VIA, The future of crypto-currency = www.via.org 
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June 13, 2013, 03:46:43 PM
 #178

I sent a total of 4.0624 BTC to the genesis block that was mined by Satoshi Nakamoto & which can't be spent due to a quirk in the way that the genesis block is expressed in the code (this may have been intentional).

1G5apmPvo2iTtmkNWAHTCET7Y842Ufijs8 ~ I sent 0.0624 BTC on 2012 07 15

1ASTRv7aBipHxXH2iF5XfchNBdWWYbjbSo ~ I sent 4 BTC on 2013 01 27

http://blockexplorer.com/address/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa

The total all together that's been sent there (including the 50 BTC mined coins reward) & hence it's balance is 63.02319969 BTC atm (last TX was for 1 BTC on 2013 05 26)

I'll let someone who's been following this thread work out what's best to add to the running total, I didn't see the genesis block mentioned before here but expect that I may have missed it in my quick look through the posts.

Only the genesis transaction itself is unspendable.  Any other transactions redeemable by the same key will work fine.

17Np17BSrpnHCZ2pgtiMNnhjnsWJ2TMqq8
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June 13, 2013, 03:52:51 PM
 #179

Ah interesting, I hadn't realized that, so if Satoshi has the private key to that address still, which I hope, then it's like a gift to him, better still!

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June 13, 2013, 03:55:15 PM
 #180

Ah interesting, I hadn't realized that, so if Satoshi has the private key to that address still, which I hope, then it's like a gift to him, better still!

Satoshi is standing behind his computer cheering. YES! Now I have 1,000,004 BTC ! W00t!
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June 13, 2013, 03:56:42 PM
 #181

yep & he decides to send a few of those to all the kind ppl who sent him tips Grin

BTC = $c²     My BTC addie = 1otohotohMoQoxHuxLBveQiZcV3Pji3Tc     DASH, Digital Cash = www.dash.org     VIA, The future of crypto-currency = www.via.org 
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June 13, 2013, 03:58:18 PM
 #182

yep & he decides to send a few of those to all the kind ppl who sent him tips Grin

Well at least you're a nice generous drunk Smiley (better than the kind of people that get aggressive)
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November 07, 2013, 06:48:45 PM
 #183

I got 0.05BTC from the first public faucet in 2011, and then deleted my wallet by lack of interest.

+0.05
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November 28, 2013, 08:35:55 AM
 #184

https://bitcointalk.org/index.php?topic=349082

7500 BTC gone.
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November 28, 2013, 08:52:15 AM
 #185


Possibly. Assume Bitcoin gets to $3000. Would they leave $22 million unsearched for?
Fence off the whole area, shift by hand the top 2 meters of rubbish (portable conveyor to pile it aside?) The disk could be found and the coins recovered.

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November 28, 2013, 09:39:55 AM
 #186

Is landfill owned by a private company? When bitcoin rises high enough, somebody can buy the whole company for a fraction of 7500 BTC Wink
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November 28, 2013, 10:32:51 AM
 #187

+0.3
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November 28, 2013, 10:54:55 AM
 #188

I had around 0.01 BTC in 8 instawallets. Lost them when Instawallet went offline. At that time, I think the exchange rate was somewhere around $20. So made no effort to recover them. And it is not possible to recover them now.



.
.BIG WINNER!.
[15.00000000 BTC]


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November 28, 2013, 11:17:01 AM
 #189

I had around 0.01 BTC in 8 instawallets. Lost them when Instawallet went offline. At that time, I think the exchange rate was somewhere around $20. So made no effort to recover them. And it is not possible to recover them now.

That's not lost bitcoins, someone has access to them.
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November 29, 2013, 12:55:31 AM
 #190

https://blockchain.info/address/1C6YCVUxhsvYbrcGN3h5xvar7JKhM5BizJ

It's a Instawallet address, I don't know if someone have the private key.

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December 03, 2013, 10:16:09 AM
 #191

Check this wallet:

https://blockchain.info/address/198aMn6ZYAczwrE5NvNTUMyJ5qkfy4g3Hi

This one contains 8,000 BTCs and is not active ever since 2009 April.

I think someone started mining Bitcoins in February 2009, but either lost interest in BTCs or lost the password two months later.



.
.BIG WINNER!.
[15.00000000 BTC]


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December 03, 2013, 10:47:14 AM
 #192


Possibly. Assume Bitcoin gets to $3000. Would they leave $22 million unsearched for?
Fence off the whole area, shift by hand the top 2 meters of rubbish (portable conveyor to pile it aside?) The disk could be found and the coins recovered.


Imagine finding the drive after investing so much time and resources and it being corrupted Tongue
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January 08, 2014, 08:22:29 AM
 #193

I enjoyed reading this thread. It's interesting and a bit scary how not only computer noobs loose substantial amounts of Bitcoins. But it's only really scary because of current value of Bitcoins...

Nevertheless: theft, loss or corruption of the wallet is an apparent problem which Bitcoin has to deal with in a better way. Especially when Bitcoin is growing and is becoming more and more common, which I expect everyone who likes it is looking for.

An immediate idea I had is some kind of possibility to save a distributed encrypted version of your wallet in some kind of Bitcoin network cloud. Extend the Bitcoin protocol in a suitable way so that nodes can provide some amount of cloud storage. A wallet that goes into this distributed cloud storage is spread to a certain number of nodes and the Bitcoin network protocol has to take care that there are always enough "copies" available, so that restauration of a particular wallet is always possible. Only securely encrypted wallets are distributed to this Bitcoin wallet cloud storage. The wallet's owner only has to take care that he or she doesn't forget the encryption key/passphrase/whatever. The Bitcoin client should provide necessary assistance for this, like printout of keys or QR codes.

I have not elaborated this idea any more, but I'm confident it could make wallet.dat wipes, harddisk failures/sudden deaths much less of a threat to your beloved Bitcoins. It's a pity and shame to permanently make them unspendable...
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January 08, 2014, 07:34:59 PM
 #194

I enjoyed reading this thread. It's interesting and a bit scary how not only computer noobs loose substantial amounts of Bitcoins. But it's only really scary because of current value of Bitcoins...

Nevertheless: theft, loss or corruption of the wallet is an apparent problem which Bitcoin has to deal with in a better way. Especially when Bitcoin is growing and is becoming more and more common, which I expect everyone who likes it is looking for.

An immediate idea I had is some kind of possibility to save a distributed encrypted version of your wallet in some kind of Bitcoin network cloud. Extend the Bitcoin protocol in a suitable way so that nodes can provide some amount of cloud storage. A wallet that goes into this distributed cloud storage is spread to a certain number of nodes and the Bitcoin network protocol has to take care that there are always enough "copies" available, so that restauration of a particular wallet is always possible. Only securely encrypted wallets are distributed to this Bitcoin wallet cloud storage. The wallet's owner only has to take care that he or she doesn't forget the encryption key/passphrase/whatever. The Bitcoin client should provide necessary assistance for this, like printout of keys or QR codes.

I have not elaborated this idea any more, but I'm confident it could make wallet.dat wipes, harddisk failures/sudden deaths much less of a threat to your beloved Bitcoins. It's a pity and shame to permanently make them unspendable...
I think a torrent project along these lines could work well.  Have a website where a user can upload an ENCRYPTED wallet file in any format (i.e., a user could encrypt it multiple times with multiple methods if they wanted), and the website would publish monthly torrents with a collection of all wallets uploaded to date.  As long as at least a handful of people download and seed the collection, people would have a permanent distributed backup of their Bitcoin wallet.

Of course, the downside is, once the encryption method that is used is broken or bruteforceable, people would have to abandon use of those particular Bitcoin addresses.
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January 08, 2014, 10:16:49 PM
 #195

I won't be happy with a solution based on some other and independent torrent client. What should bind those torrent clients to maintain the storage, except for Bitcoin idealism?

My full Bitcoin-qt client has to deal with the whoppy blockchain worth more than a dozen GB of storage (actually this sucks a bit). I wouldn't care if it asked me to use another 100 or 200 MB of storage space for the distributed wallet cloud storage. This could save quite a bunch of wallets.

The majority of Bitcoin addicts needs some kind of Bitcoin client, thus he's connected to the Bitcoin network, connected to the fictitious distributed wallet cloud storage which every full client would support. Lots of wallets saved, no bits and bytes were harmed...  Grin
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January 10, 2014, 03:11:16 PM
 #196

The idea of storing wallets in some sort of a distributed online fashion, where all you (or anyone else) need to remember is a password to access those coins, is really no different from just keeping your coins in a brainwallet with the private key derived from that password. The proble is that if anyone else guesses that password, they will have access to all your money as well.

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February 14, 2014, 07:03:49 AM
 #197

https://blockchain.info/address/198aMn6ZYAczwrE5NvNTUMyJ5qkfy4g3Hi

This one contains 8,000 BTCs and is not active ever since 2009 April.

Imagine...just imagine finding a wallet file somewhere that points to that address and has the coins intact?

Just think of all the potential suicides that would have resulted from these now catastrophic losses. Wow

The poor guys who lost 7000+ and 27000 bitcoins...I wonder what they would be feeling right now if they haven't already killed themselves?

If it were me, I'd still be around. I'm a tough guy. I've been through a LOT of hard shit - parents divorced when I was 9, I was sexually assaulted that same year, lost my mother to suicide 3 years later, endured years of school bullying, lost half of my sexual function from a bike riding accident, and when I was 23 my girlfriend who I was planning to marry had an abortion because her mother didn't want her to have the baby out of wedlock.

So, at the end of the day - it's only money. If I had $8M or even $30M today I doubt I would ever recover the emotional losses that I have incurred. Remember, Kurt Cobain had millions and guess what he did in spite of his immense material wealth? He blew his brains out...

But damned if there wouldn't be some guys who would decide to enter the eternal void due to insurmountable grief. Ouch. What did I say? Ouch! Let me say that or more time...OUCH!!!!!!!
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February 14, 2014, 11:01:45 AM
 #198

Have you guys included Countrparty?

They bootstrapped their system by sending bitcoin to an unrecoverable address, some 2000 bitcoin in total:
These bitcoins are lost forever because the chance of making up an address like that and then finding the private key for it is pretty much 0.

https://blockchain.info/address/1CounterpartyXXXXXXXXXXXXXXXUWLpVr

Consider it a gift to the bitcoin community. Unless of course their system works and starts gaining crypto purchasing power at the expense of Bitcoin.
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February 14, 2014, 11:14:48 AM
 #199

Would it not be possible to take a sum of stale coins - for example all those not moved since end 2010 and then over time learn what fraction of those came alive later. Doing that over a period might suggest what is lost and what fraction is normally forced back into the open after such a long time.

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February 14, 2014, 11:14:54 AM
 #200

I got 0.05BTC from the first public faucet in 2011, and then deleted my wallet by lack of interest.

+0.05

I did the same. It seemed like there was nothing you could do with bitcoins back then.
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February 14, 2014, 11:57:29 AM
 #201

https://blockchain.info/address/198aMn6ZYAczwrE5NvNTUMyJ5qkfy4g3Hi

This one contains 8,000 BTCs and is not active ever since 2009 April.

Imagine...just imagine finding a wallet file somewhere that points to that address and has the coins intact?

Just think of all the potential suicides that would have resulted from these now catastrophic losses. Wow

The poor guys who lost 7000+ and 27000 bitcoins...I wonder what they would be feeling right now if they haven't already killed themselves?

If it were me, I'd still be around. I'm a tough guy. I've been through a LOT of hard shit - parents divorced when I was 9, I was sexually assaulted that same year, lost my mother to suicide 3 years later, endured years of school bullying, lost half of my sexual function from a bike riding accident, and when I was 23 my girlfriend who I was planning to marry had an abortion because her mother didn't want her to have the baby out of wedlock.

So, at the end of the day - it's only money. If I had $8M or even $30M today I doubt I would ever recover the emotional losses that I have incurred. Remember, Kurt Cobain had millions and guess what he did in spite of his immense material wealth? He blew his brains out...

But damned if there wouldn't be some guys who would decide to enter the eternal void due to insurmountable grief. Ouch. What did I say? Ouch! Let me say that or more time...OUCH!!!!!!!

Just so you are aware I'm doing fine Smiley
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February 14, 2014, 04:22:06 PM
 #202

Would it not be possible to take a sum of stale coins - for example all those not moved since end 2010 and then over time learn what fraction of those came alive later. Doing that over a period might suggest what is lost and what fraction is normally forced back into the open after such a long time.
It's a nice idea in theory, but would ruin the long-term storage possibilities of Bitcoin.  People want to print out (or otherwise record) a paper wallet and know that it will be good 1 year, 10 years, and 100 years from now.
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February 14, 2014, 05:04:15 PM
 #203

It's a nice idea in theory, but would ruin the long-term storage possibilities of Bitcoin.  People want to print out (or otherwise record) a paper wallet and know that it will be good 1 year, 10 years, and 100 years from now.

I'm not suggesting a change!.. I'm suggesting there is no exact measure but alluding to that human's on average behave in a stable manner, so the fraction tempted or finding themselves in long-term store relative to coins that are lost, might be a relatively stable fraction.. bit like a half-life; you might be able to determine what is cold and what is just dormant from the half-life of those that come alive after a time.

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February 14, 2014, 05:38:12 PM
 #204

It's a nice idea in theory, but would ruin the long-term storage possibilities of Bitcoin.  People want to print out (or otherwise record) a paper wallet and know that it will be good 1 year, 10 years, and 100 years from now.

I'm not suggesting a change!.. I'm suggesting there is no exact measure but alluding to that human's on average behave in a stable manner, so the fraction tempted or finding themselves in long-term store relative to coins that are lost, might be a relatively stable fraction.. bit like a half-life; you might be able to determine what is cold and what is just dormant from the half-life of those that come alive after a time.
Sorry - I am so used to reading that particular suggestion that I automatically jumped to the same conclusion reading yours!

Yes, that would be an interesting analysis as well.  It is most certainly doable.
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February 15, 2014, 02:46:08 AM
 #205

Yes, that would be an interesting analysis as well.  It is most certainly doable.

While it's doable, it's also very dangerous to those holding long-term bitcoin savings. What happens, for example, if I print out a bitcoin wallet, keep the private keys and public keys intact on a piece of paper, archive it in a safe, print multiple copies in different locations, in addition to keeping a dozen copies of a wallet file, and then 10 years later I want to redeem my bitcoin because it is worth millions of dollars. I load up a wallet so I can transfer them to an exchange...BUT the coins are gone. The blockchain had since been "audited and edited" and my bitcoin addresses, since they hadn't moved in 10 years, have been removed and the bitcoin re-minted to the miners.

Ouch, that would be a very painful surprise.

I think it's much better to just keep a log of all the known losses that are confirmed as absolutely unrecoverable, and then re-mint those bitcoins to the miners after 2 years since the loss, to avoid them being unspendable.

But one point to remember is that lost bitcoin makes bitcoin even more valuable. If there are 1,000,000 bitcoins that are unspendable and out of circulation because of data losses, lost paper wallets, lost digital wallets, sent to non-functional address, etc, then the real number of available bitcoin will be probably less than 20,000,000. So, that would raise the price due to the greater scarcity.
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February 15, 2014, 06:28:28 AM
 #206

Yes, that would be an interesting analysis as well.  It is most certainly doable.

While it's doable, it's also very dangerous to those holding long-term bitcoin savings. What happens, for example, if I print out a bitcoin wallet, keep the private keys and public keys intact on a piece of paper, archive it in a safe, print multiple copies in different locations, in addition to keeping a dozen copies of a wallet file, and then 10 years later I want to redeem my bitcoin because it is worth millions of dollars. I load up a wallet so I can transfer them to an exchange...BUT the coins are gone. The blockchain had since been "audited and edited" and my bitcoin addresses, since they hadn't moved in 10 years, have been removed and the bitcoin re-minted to the miners.

Ouch, that would be a very painful surprise.

I think it's much better to just keep a log of all the known losses that are confirmed as absolutely unrecoverable, and then re-mint those bitcoins to the miners after 2 years since the loss, to avoid them being unspendable.

But one point to remember is that lost bitcoin makes bitcoin even more valuable. If there are 1,000,000 bitcoins that are unspendable and out of circulation because of data losses, lost paper wallets, lost digital wallets, sent to non-functional address, etc, then the real number of available bitcoin will be probably less than 20,000,000. So, that would raise the price due to the greater scarcity.
You also misread what he was suggesting.
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February 16, 2014, 03:25:11 PM
 #207

Let's say that bitcoin becomes mainstream like we all hope it will, and many years from now a large portion of bitcoins have been lost due to lost computers or destroyed servers. If there are only 5 or 10 Million bitcoin that still exist is there any way there could be more bitcoin produced, or is it absolutely built into the bitcoin architecture that the 21 Million number cannot be tampered with? Would it simply be easier just to make due with the bitcoin still left in circulation and let the market determine the new value of a bitcoin?
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February 16, 2014, 04:06:57 PM
 #208

Not sure if this is still ongoing. I have lost 55 BTC that will never again be part of someones wealth.

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February 18, 2014, 04:59:26 AM
 #209

Yes, that would be an interesting analysis as well.  It is most certainly doable.

While it's doable, it's also very dangerous to those holding long-term bitcoin savings. What happens, for example, if I print out a bitcoin wallet, keep the private keys and public keys intact on a piece of paper, archive it in a safe, print multiple copies in different locations, in addition to keeping a dozen copies of a wallet file, and then 10 years later I want to redeem my bitcoin because it is worth millions of dollars. I load up a wallet so I can transfer them to an exchange...BUT the coins are gone. The blockchain had since been "audited and edited" and my bitcoin addresses, since they hadn't moved in 10 years, have been removed and the bitcoin re-minted to the miners.

Ouch, that would be a very painful surprise.

I think it's much better to just keep a log of all the known losses that are confirmed as absolutely unrecoverable, and then re-mint those bitcoins to the miners after 2 years since the loss, to avoid them being unspendable.

But one point to remember is that lost bitcoin makes bitcoin even more valuable. If there are 1,000,000 bitcoins that are unspendable and out of circulation because of data losses, lost paper wallets, lost digital wallets, sent to non-functional address, etc, then the real number of available bitcoin will be probably less than 20,000,000. So, that would raise the price due to the greater scarcity.

Satoshi addressed this on June 21, 2010, 12:48:26 PM by saying:

"Lost coins only make everyone else's coins worth slightly more. Think of it as a donation to everyone."
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February 18, 2014, 01:19:07 PM
 #210

I mean,
what is the actual lost rate of Bitcoins per day since its genesis

As above, if you want to carve an elephant, first remove everything that is not an elephant.
Know what is recoverable by watching over time.

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February 18, 2014, 01:34:52 PM
 #211

0.67 i delete my address some times ago and i forget about that but still using that adress .

  ♦  Bitcoin-Scratchticket.com  ♦   ♦  Win Bitcoin Playing Scratchtickets  ♦    ♦  Provably Fair  ♦ 
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February 18, 2014, 02:28:09 PM
 #212

I mean,
what is the actual lost rate of Bitcoins per day since its genesis

Also, all of the coins from and in the genesis block wallet cannot be spent due to a quirk in the code.
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February 18, 2014, 03:11:30 PM
 #213

 I wonder how many have been lost in faucets by people who give up trying to reach pay out #.

I never thought my life could be. Anything but catastrophe. But suddenly I begin to see. A "BIT" of good luck for me. Cause I've got a golden ticket!
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February 18, 2014, 03:14:00 PM
 #214

Not sure if this is still ongoing. I have lost 55 BTC that will never again be part of someones wealth.
Are you sure your "lost" 55 BTC are truely lost in the terms of the OP? I'm asking because your signature speaks of lost coins due to a compromised mining pool. Have your coins been stolen or has someone lost control of your coins because the associated private key(s) are gone forever and there is definitely no way to recover them?

It's important to remember that Bitcoins are never truely lost or destroyed or deleted in a technical sense. All you loose is the control to spend them should you ever loose the last copy of the private key of your various bitcoin addresses that hold some coins. Every minted Bitcoins lives happily in the blockchain. The question is: who has the private key necessary to spend them?


Also, all of the coins from and in the genesis block wallet cannot be spent due to a quirk in the code.
Couldn't this be corrected if necessary? I guess, Satoshi doesn't care much about those first coins...
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February 18, 2014, 06:07:20 PM