Coldcard Theft: When Hardware Wallets Fail Like Banks
A firmware flaw in Coldcard wallets enabled $89 million in Bitcoin thefts across three waves. The FBI may know the first attacker's identity.
Hardware Wallet Security
PSBT Integration: Altcoin Multisig's Upgrade with Bitcoin
In this article, we will delve deep into the integration of PSBT with altcoin multi-signature wallets, exploring its significance.
Ledger: It's Always 'Technically' Possible to Extract Users' Keys
"Technically speaking it is and always has been possible to write firmware that facilitates key extraction." Tweeted by Ledger.