Coldcard and Liquid Network hacks called worst in Bitcoin's history

Analysts call the recent Coldcard hardware wallet and Liquid Network sidechain exploits the most dangerous incidents in Bitcoin's history. A firmware flaw in Coldcard dating to March 2021 drained over $100 million, while a consensus bug in Liquid let an attacker mint 4,000 unbacked L-BTC worth about $320 million.

• Coldcard firmware flaw dating to 2021 drained over $100 million in bitcoin
• Liquid Network exploit involved about $320 million; hackers returned 3,400 BTC
• Attackers kept 598.5 BTC, worth roughly $47 million
• The exploits hit systems trusted to remove third-party risk