benma

The BitBox02 is the first hardware wallet that offers protection against the nonce covert channel attack, by supporting a protocol called anti-klepto.

tl;dr: When registering a multisig wallet in a Coldcard, the Coldcard did not verify that it is actually part of the multisig wallet. This allowed a malicious computer wallet

Responsible disclosure of a Coldcard vulnerability that allows an attacker to spend your bitcoins when you think you are signing a testnet transaction.

Responsible disclosure of a remote ransom attack on Trezor hardware wallets where users are vulnerable when entering the passphrase on the computer.