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Author Topic: Wall Observer - MtGoxUSD wall movement tracker  (Read 1652575 times)
Beta-coiner1
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March 12, 2013, 10:43:35 PM
 #13461

Are you suggesting Bitcoin will be defeated by an older version of the code? Oh wait...!
Or Litecoin is the new Dragonborn.....every price dip is an arrow to the knee

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tpantlik
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March 12, 2013, 11:16:21 PM
 #13462

You probably would've laughed even more if someone told you that some dude managed to double-spend BTC 211.

I believe that was exploit played against OKPay's confirmation policy, not a doublespend on the blockchain.

You're wrong.


Did you actually read the damn post?

Quote
All time UTC+08:00:

08:08 – Well before I knew what later have happened, I deposited $10000-worth Bitcoins to BTC-e over OKPAY's Bitcoin payment, I paid OKPAY address 12z2n8YCJw1BEsJhhQPLCTuLqwH341nKnE 211.9093 BTC and 0.0005 BTC as transaction fee.
09:30 – The transaction was included in version 0.8's fork, block 225446
10:08 – Deposit completed, $9800 credited to my BTC-e account
12:53 – After some study, I recognized, the transaction, though included in version 0.8's fork, was never confirmed by the pre-0.8 fork, so I decided to make two double spend transactions on two of the vins of the OKPAY transaction, and broadcasted them with the raw transaction API, 0.001 BTC transaction fee included in each transaction.
13:01 – The double spend transaction was included in pre-0.8 fork block 225446

this is more interesting - http://sourceforge.net/mailarchive/forum.php?thread_name=5F4490C7-8846-4AA7-AF9B-9A02DDEC6245%40ceptacle.com&forum_name=bitcoin-development
 Looks like BDB strikes back.

Gods sent us a powerful tool - cryptography - to fight with those who are trying to exploit us. USE IT!!
laughingbear
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March 12, 2013, 11:18:42 PM
 #13463

You probably would've laughed even more if someone told you that some dude managed to double-spend BTC 211.

I believe that was exploit played against OKPay's confirmation policy, not a doublespend on the blockchain.

You're wrong.


Did you actually read the damn post?

Quote
All time UTC+08:00:

08:08 – Well before I knew what later have happened, I deposited $10000-worth Bitcoins to BTC-e over OKPAY's Bitcoin payment, I paid OKPAY address 12z2n8YCJw1BEsJhhQPLCTuLqwH341nKnE 211.9093 BTC and 0.0005 BTC as transaction fee.
09:30 – The transaction was included in version 0.8's fork, block 225446
10:08 – Deposit completed, $9800 credited to my BTC-e account
12:53 – After some study, I recognized, the transaction, though included in version 0.8's fork, was never confirmed by the pre-0.8 fork, so I decided to make two double spend transactions on two of the vins of the OKPAY transaction, and broadcasted them with the raw transaction API, 0.001 BTC transaction fee included in each transaction.
13:01 – The double spend transaction was included in pre-0.8 fork block 225446
Looks like BDB strikes back.

this is more interesting - http://sourceforge.net/mailarchive/forum.php?thread_name=5F4490C7-8846-4AA7-AF9B-9A02DDEC6245%40ceptacle.com&forum_name=bitcoin-development

O shit... time for mtgox to lag out
nimda
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March 12, 2013, 11:43:06 PM
 #13464

These candlewicks lately... Shocked

I recommend asking me for a signature from my GPG key before doing a trade. I will NEVER deny such a request.
redbeans2012
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March 13, 2013, 12:00:21 AM
 #13465

You probably would've laughed even more if someone told you that some dude managed to double-spend BTC 211.

I believe that was exploit played against OKPay's confirmation policy, not a doublespend on the blockchain.

You're wrong.


Did you actually read the damn post?

Quote
All time UTC+08:00:

08:08 – Well before I knew what later have happened, I deposited $10000-worth Bitcoins to BTC-e over OKPAY's Bitcoin payment, I paid OKPAY address 12z2n8YCJw1BEsJhhQPLCTuLqwH341nKnE 211.9093 BTC and 0.0005 BTC as transaction fee.
09:30 – The transaction was included in version 0.8's fork, block 225446
10:08 – Deposit completed, $9800 credited to my BTC-e account
12:53 – After some study, I recognized, the transaction, though included in version 0.8's fork, was never confirmed by the pre-0.8 fork, so I decided to make two double spend transactions on two of the vins of the OKPAY transaction, and broadcasted them with the raw transaction API, 0.001 BTC transaction fee included in each transaction.
13:01 – The double spend transaction was included in pre-0.8 fork block 225446

this is more interesting - http://sourceforge.net/mailarchive/forum.php?thread_name=5F4490C7-8846-4AA7-AF9B-9A02DDEC6245%40ceptacle.com&forum_name=bitcoin-development
 Looks like BDB strikes back.

Trying to understand that stuff.  Can you explain it to me like I am 5.  What is BDB anyways.

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March 13, 2013, 12:03:13 AM
 #13466

I take it you didn't watch the whole movie....
don't bear me bro!

BTCCharts.com - still for free!
Spaceman_Spiff
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March 13, 2013, 12:03:48 AM
 #13467

Trying to understand that stuff.  Can you explain it to me like I am 5.  What is BDB anyways.

I know BDB stands for Berkeley Database, but that's all I have got.
I 'ld like a TL;DR version too  Smiley.
arklan
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Just along for the ride...


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March 13, 2013, 12:14:31 AM
 #13468

Trying to understand that stuff.  Can you explain it to me like I am 5.  What is BDB anyways.

I know BDB stands for Berkeley Database, but that's all I have got.
I 'ld like a TL;DR version too  Smiley.

my BASIC understanding is that in .7 and before, BDB was the database system used for ...well, the blockchain, which of course is a database of transactions. this was changed so that in .8 and up, something called LevelDB handles the blockchain. in some way beyond my full understanding, a large block under .8 was made with a large number of input transactions (this being the important factor, apparently, rather then the block size itself) and was rejected by the .7 nodes. this lead to a blockchain fork, which has now been corrected by having miners revert to .7.

i think.
justusranvier
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March 13, 2013, 01:04:04 AM
 #13469

And it seems that by putting the soft limit back to 250kb, we will have have more unconfirmed transactions and this will cause the mem-pool to get overly big (if we keep seeing an increase in transactions), so there is some haste needed to solve the mem-pool issue it seems.
That's what advocates of a fixed block size don't acknowledge. If the demand for transactions exceeds what the block space the miners are allowed to supply the excess gets left behind. Even if this causes users to pay higher fees, the increase in transaction fees does not reduce the number of transactions get left behind - it only alters which ones get left behind.
laughingbear
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March 13, 2013, 01:54:10 AM
 #13470

who else is waiting on this slow ass sell wall to go away, before you buy?
mccorvic
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March 13, 2013, 02:13:02 AM
 #13471

who else is waiting on this slow ass sell wall to go away, before you buy?

I'll will be purchasing my normal weekly amount.

Offering Video/Audio Editing Services since 2011 - https://bitcointalk.org/index.php?topic=77932.0
thezerg
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March 13, 2013, 02:27:42 AM
 #13472

I already bought some (admittedly not much) but I haven't bought since around 10..
mccorvic
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March 13, 2013, 02:48:18 AM
 #13473


Also litecoin at 75 cents, people are starting to understand why we use bitcoin as our testnet:)

Notice how LTC went down last night as BTC went down, then up as BTC went up. That's because LTC is only good to buy BTC.

I mean, I did help pump the market today and made 10BTC doing it, so thanks LTC.  I mean, you're markets so small that I could even manipulate it!

Offering Video/Audio Editing Services since 2011 - https://bitcointalk.org/index.php?topic=77932.0
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March 13, 2013, 02:55:45 AM
 #13474


I have not bought with fiat since 3.5. However I have traded stuff for BTC since then.


Did you forget the part where you ran a feeder fund (several?) for Bitcoin Savings and Trust, and spent the better part of a year marketing, helping Pirateat40 pull off the biggest scam in Bitcoin to date?


Also litecoin at 75 cents, people are starting to understand why we use bitcoin as our testnet:)


Welcome back.

cypherdoc
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March 13, 2013, 03:03:13 AM
 #13475

mccorvic
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March 13, 2013, 03:04:08 AM
 #13476


I have not bought with fiat since 3.5. However I have traded stuff for BTC since then.


Did you forget the part where you ran a feeder fund (several?) for Bitcoin Savings and Trust, and spent the better part of a year marketing, helping Pirateat40 pull off the biggest scam in Bitcoin to date?


Also litecoin at 75 cents, people are starting to understand why we use bitcoin as our testnet:)


Welcome back.



LTC: The official stamp of approval from Pirateat40 resellers everywhere!

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420
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March 13, 2013, 03:18:10 AM
 #13477

is everyone forgetting little old 420's potential ponzi Sad

\/

https://bitcointalk.org/index.php?topic=145492.0

Donations: 1JVhKjUKSjBd7fPXQJsBs5P3Yphk38AqPr - TIPS
the hacks, the hacks, secure your bits!
notme
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March 13, 2013, 03:23:15 AM
 #13478

is everyone forgetting little old 420's potential ponzi Sad

\/

https://bitcointalk.org/index.php?topic=145492.0

I haven't forgot, I just have no interest in lending btc and being repaid based on dollar value.

https://www.bitcoin.org/bitcoin.pdf
While no idea is perfect, some ideas are useful.
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oakpacific
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March 13, 2013, 03:27:43 AM
 #13479


Also litecoin at 75 cents, people are starting to understand why we use bitcoin as our testnet:)

Notice how LTC went down last night as BTC went down, then up as BTC went up. That's because LTC is only good to buy BTC.

I mean, I did help pump the market today and made 10BTC doing it, so thanks LTC.  I mean, you're markets so small that I could even manipulate it!

Not to say their network is far far away from facing problems that Bitcoin network has to face, and yeah, they could keep copying everything that bitcoin developers implemented, and giving back no appreciation but taunts.

https://tlsnotary.org/ Fraud proofing decentralized fiat-Bitcoin trading.
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March 13, 2013, 03:28:37 AM
 #13480

who else is waiting on this slow ass sell wall to go away, before you buy?
Got $1000 I am ready to dump when it disappears.

- aka The "DigiMan"
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