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And I'm sure there's a git-hub project for "making bitcoins appear out of shoes". Without an explanation or review I'm calling BS, trolls, or dumb thieves.

• ikeboy 12y ago
  One of the developers tweeted this, see https://twitter.com/petertoddbtc/status/577534426004897792 https://twitter.com/petertoddbtc/status/577534426004897792. The explanation is that some nodes will allow you to replace older transactions (not mined yet) as long as the new one has a higher fee. This tool lets you double-spend with a higher fee, and if the newer one happens to get into a block, you were successful.
  • kleer001 12y ago
    >happens to get into a block Yea, that's the rub there, lol
    • ikeboy 12y ago
      Nodes supporting replace-by-fee will always mine the higher fee one.