The attack exposed a five-year-old firmware flaw. The industry’s rapid response is accelerating the adoption of collaborative multisig security. Swan CEO Cory Klippsten said the Coldcard attack prompted bitcoin holders to reexamine their custody decisions. He said he mobilized his team to help affected holders move their coins to safety, including people who were not Swan clients. Rather than abandoning self-custody, affected users are migrating toward vaults that prevent any single compromised…
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