Double-Spending Fast Payments in Bitcoin due to Client versions 0.8.1

Author: Arthur Gervais 2013-06-27 10:23:34
Published on: 2013-06-27T10:23:34+00:00

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Summary:

A group of researchers has discovered a vulnerability in Bitcoin which could lead to a double-spending attack in fast payment scenarios. Compatibility issues with signature encoding between versions 0.8.2 and earlier versions of Bitcoin have introduced the vulnerability. The researchers have provided a detailed description of this vulnerability at ftp://ftp.inf.ethz.ch/pub/publications/tech-reports/7xx/789.pdf. Gavin, one of the Bitcoin developers, has already been informed about the problem. The vulnerability is expected to be addressed soon.

Updated on: 2023-06-06T19:17:59.555340+00:00