Replay Attack Alarm Grows as BIP-110 Backers Brand Bitcoin ‘Spamcoin’

A planned revival of the failed BIP-110 stalled fork is putting an old cryptocurrency hazard back in the spotlight: replay attacks, where a transaction intended for one blockchain can potentially be copied onto another.

The issue matters because Luke Dashjr and other BIP-110 supporters are discussing a hard fork that would replace the minority chain’s […]