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. Just when you ...

Welcome to the wonderful world of self custody, this is where the laws of man and the laws of math collide in a battle over your cryptographically-secured wealth. For whatever reason you found ...

The popular Bitcoin hardware wallet Coldcard product, made by Coinkite, is at risk following a $70 million hack. Coinkite on Thursday admitted that its Coldcard Mk3 model was affected following the ...

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The Coldcard firmware bug has helped attackers drain nearly $89 million in Bitcoin from more than 4,500 addresses. You will learn which models are affected, why a firmware update cannot repair an old ...

A wallet tied to the Coldcard hacker has received several deposits since July 30, with some carrying written messages attached via Bitcoin's OP_RETURN function. Messages range from genuine-sounding ...

The recent Coldcard hack has raised broader questions about the security of hardware wallets and self-custody. Some bitcoin holders are moving coins onto exchanges. This on-chain flow is the opposite ...