Coldcard hack sparks a self-custody security overhaul: Cory Klippsten

AI Summary The attack exposed a five-year-old firmware flaw. The industry’s rapid response is accelerating the adoption of collaborative multisig security. fulltext: 144 chars | fulltext source: rss-fallback | summary method: extractive Original: https://www.coindesk.com/markets/2026/08/05/coldcard-hack-sparks-a-self-custody-security-overhaul-cory-klippsten Source: CoinDesk