Bitcoin Transaction Malleability and MtGox

@article{Decker2014BitcoinTM,
  title={Bitcoin Transaction Malleability and MtGox},
  author={Christian Decker and Roger Wattenhofer},
  journal={ArXiv},
  year={2014},
  volume={abs/1403.6676}
}
In Bitcoin, transaction malleability describes the fact that the signatures that prove the ownership of bitcoins being transferred in a transaction do not provide any integrity guarantee for the signatures themselves. This allows an attacker to mount a malleability attack in which it intercepts, modifies, and rebroadcasts a transaction, causing the transaction issuer to believe that the original transaction was not confirmed. In February 2014 MtGox, once the largest Bitcoin exchange, closed and… CONTINUE READING
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