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Ledger Says Coldcard Exploit Shows Bitcoin Wallet Security Must Adapt to AI

  • Jason Nelson--Decrypt
  • published date: 2026-08-04 21:16:03 UTC

Ledger CTO Charles Guillemet says the Coldcard exploit underscores why certified hardware randomness matters—and why AI is reshaping wallet security.

In brief <ul><li>Ledger says the Coldcard exploit is a warning for the hardware Bitcoin wallet industry but says its own devices were not affected.</li><li>The company argues independently certified… [+3766 chars]