Do the Coldcard attacks mean all hardware wallets are now insecure?
The Coldcard entropy flaw caused a crisis of confidence in hardware wallets. Here’s the details you need to know before you entrust Ledger, Trezor or Foundation with your Bitcoin.
Wednesday, 16 September 2026
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Crypto
Do the Coldcard attacks mean all hardware wallets are now insecure?
The Coldcard entropy flaw caused a crisis of confidence in hardware wallets. Here’s the details you need to know before you entrust Ledger, Trezor or Foundation with your Bitcoin.