Ethereum Classic Undergoes Likely 51% Attack With 3693-Block Chain Reorganization

Ethereum Classic (ETC) suffered a 3,693-block chain reorganization early Saturday morning, an attack first noticed by cryptocurrency miner Bitfly.

Ethereum Classic (ETC) suffered a 3,693-block chain reorganization early Saturday morning, an event first thought to be a possible 51% attack, after a miner used old software after having been offline, according to Terry Culver, CEO of Ethereum Classic Labs.