Cybersecurity incident — 2019-01-07 00:00:00
Affected organization: Ethereum Classic
Affected country: United States of America
Industry: Finance and Insurance
Event type: Exploitive
Event subtype: Exploitation of Network Infrastructure
Motive: Financial
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

Coinbase detects a "deep chain reorganization" of the Ethereum Classic (ETC) blockchain. The equivalent of $1.1M is double spent, but the attacker reportedly returns $100,000 to cryptocurrency exchange Gate.io.