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Author Topic: How to check what adress ive sent BTCs from?  (Read 729 times)
forzendiablo (OP)
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June 11, 2014, 12:41:43 AM
 #1

So i use bitcoin-qt on windows.
Lets say i send a coin to somebody - how do i know which of my various adresses was used?

yolo
DannyHamilton
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June 11, 2014, 12:54:02 AM
 #2

So i use bitcoin-qt on windows.
Lets say i send a coin to somebody - how do i know which of my various adresses was used?

Probably none of them.  Why does it matter?

Bitcoin doesn't spend "from addresses".  It spends discrete unspent outputs.

Your wallet knows that certain previously unspent outputs are now spent, and knows about any new unspent outputs that it has the ability to spend.

Saying that you are sending bitcoins "from" and address or "to" and address is just terminology that we humans use to make it easier to discuss the transfer of control over value.  In reality in the technical details there aren't any bitcoins, and these non-existent things don't "come from" anywhere or "go to" anywhere.

Instead a ledger is updated that encumbers a value with a requirement.  Anyone that can satisfy that requirement is allowed by all peers on the network to apply that value to a new ledger entry that and encumbers it with new requirements.  Notice, there is nothing in that description about sending to or from anywhere.
Tirapon
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June 11, 2014, 01:23:19 AM
 #3

Go to blockchain.info and enter the address which you sent coins to. You will see which address the transaction came from.
Foxpup
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June 11, 2014, 02:39:14 AM
 #4

So I have a bank account in which I've deposited $100 in $20 notes.
Let's say I write a cheque for $20 - How do I know which of my various $20 notes was used?

To answer your original question, you don't, and if you think you need to, you're probably doing something wrong.

Will pretend to do unspeakable things (while actually eating a taco) for bitcoins: 1K6d1EviQKX3SVKjPYmJGyWBb1avbmCFM4
I am not on the scammers' paradise known as Telegram! Do not believe anyone claiming to be me off-forum without a signed message from the above address! Accept no excuses and make no exceptions!
forzendiablo (OP)
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June 11, 2014, 02:39:20 AM
 #5

Go to blockchain.info and enter the address which you sent coins to. You will see which address the transaction came from.

thanx, so thats only way?
makes way more sense that philosophy above Smiley

yolo
forzendiablo (OP)
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June 11, 2014, 02:40:17 AM
 #6

So I have a bank account in which I've deposited $100 in $20 notes.
Let's say I write a cheque for $20 - How do I know which of my various $20 notes was used?

To answer your original question, you don't, and if you think you need to, you're probably doing something wrong.

i was *thinking* to test this 'famous' double your bitcoin on .onion and they need it
but now when i see replies. i assume this stuff is pure scam and i shouldnt riks even pennies with it

yolo
Foxpup
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June 11, 2014, 02:48:40 AM
 #7

i was *thinking* to test this 'famous' double your bitcoin on .onion and they need it
but now when i see replies. i assume this stuff is pure scam and i shouldnt riks even pennies with it
You assume correctly.

Will pretend to do unspeakable things (while actually eating a taco) for bitcoins: 1K6d1EviQKX3SVKjPYmJGyWBb1avbmCFM4
I am not on the scammers' paradise known as Telegram! Do not believe anyone claiming to be me off-forum without a signed message from the above address! Accept no excuses and make no exceptions!
DannyHamilton
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June 11, 2014, 02:54:48 AM
 #8

So I have a bank account in which I've deposited $100 in $20 notes.
Let's say I write a cheque for $20 - How do I know which of my various $20 notes was used?

To answer your original question, you don't, and if you think you need to, you're probably doing something wrong.

i was *thinking* to test this 'famous' double your bitcoin on .onion and they need it
but now when i see replies. i assume this stuff is pure scam and i shouldnt riks even pennies with it

And now you're catching on.
jeffersonairplane
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June 11, 2014, 02:58:04 AM
 #9

What's wrong with going on blockchain with the transaction ID?

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