Bitcoin Gold devs say they stopped an 'extremely long' block reorganization attack

Bitcoin Gold's developer team has prevented an "extremely long attack chain" against the network according to a Friday announcement.

According to the development team, an attacker rented hash power from mining service provider NiceHash on July 1 and secretly mined an alternative chain — essentially creating a new transaction history for the network — for nearly ten days, mining over 1,300 blocks in the process. On July 10, the attacker released the secret chain in an attempt to collect over 8,000 bitcoin gold, worth more than $75K at press time.

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