The Bitcoin Private Key Generation Command Line Tool Bx Seed Has a Major Vulnerability of Weak Randomness, Which Has Been Fixed Now

08/14 05:50

On August 14th, it was reported that the milksad.info team had discovered a major vulnerability in the Bitcoin libbitcoin-explorer (command line tool bx) on July 21st. Currently, the GitHub page shows that the vulnerability has been fixed today and the bx seed command has been removed. The bx seed tool generates mnemonic words using only the system time as a source of randomness, so bx seed can only generate one of about 4 billion mnemonic words, making it easy for attackers to regenerate these 4 billion mnemonic words.

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