CoinDesk
Coldcard Hack Exposes 5-Year-Old Flaw, Triggers Self-Custody Security Revolution
August 5, 2026•06:55 AM
The Coldcard hack has exposed a five-year-old firmware flaw that is shaking the foundations of self-custody security. The cryptocurrency industry is responding aggressively by accelerating the adoption of collaborative multisig security, according to Cory Klippsten. This critical revelation is forcing a complete reassessment of security practices across the crypto ecosystem. The shift to multisig solutions represents a new paradigm where responsibility is distributed among multiple parties, making attacks significantly more complex and costly for perpetrators.
This is a summarized and adapted version by Artificial Intelligence. To read the complete original story, visit the official source.
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