bitcointalk.org
14 Dec '12, 4am
"Ay carumba." Most transactions more traceable than previously thought due to bug in trx construction code: #Bitcoin
Quote from: Meni Rosenfeld on November 27, 2012, 06:04:55 PM Any other suggestions? The Bitcoin-Qt client will pull a new address from the key pool for change. Thus any amount sent to an address that already has been used in a transaction is unlikely to be change. Of course, with other clients, particularly Blockchain.info, this isn't necessarily the case. There are some clues from anecdotes as well. For over-the-counter trades, quite often upon receipt of funds the recipient will turn around and spend those funds that were received as soon as there has been a confirmation. This alone doesn't help much but because the coins chosen by Bitcoin-Qt client will first try to use coins for a transaction where all coins selected already have at least six confirmations, then if a transaction spends a coin with fewer than six confirmations it was only done so because there were insu...
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