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    Author Topic: In the spirit of fungibility: some things BitFinex hacker might want to consider  (Read 721 times)
    brg444 (OP)
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    August 03, 2016, 07:58:16 PM
     #1

    Yesterday there was a suggestion to get miners to blacklist the stolen coins. It is plausible Bitfinex might want to try and make this happen. It's possible some miners lost funds in Bitfinex also which may make this more attractive.

    The hacker should have a couple of choices to prevent this from happening. They could either negotiate with bitfinex to keep say 10% of the coins or they can thwart blacklisting by getting the coins into circulation.

    This will involve an initial haircut of 25% (30kbtc). Use a percentage of it to pay varying moderate/small amounts of approx 0.1 BTC to many of the most active addresses in Bitcoin to protect against reorg by getting them linked into transactions. Spend about 100 BTC on this.

    Then they should create a series of nLockTimed transactions that pay 6 BTC in fees every 4 blocks for the next year for a total of 10000 BTC in fees. These transactions should pay large amounts (e.g. 50 BTC) to randomly selected active users from major Bitcoin forums spread out across the transactions.

    This incentivizes the users to fight any blacklisting attempts and the hacker can pay themselves in the same chain of transactions.

    I'm sorry for the losses of everyone involved and it's unfortunate to see two companies likely go down with this (BitGo & BitFinex) but it is essential that Bitcoin fungibility be preserved.

    Any attempt to damage it needs to be thwarted.  

    "I believe this will be the ultimate fate of Bitcoin, to be the "high-powered money" that serves as a reserve currency for banks that issue their own digital cash." Hal Finney, Dec. 2010
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