A five-year-old Coldcard firmware bug let an attacker guess bitcoin seed phrases and drain 1,816 BTC from 5,200 addresses.

The Coldcard wallet hack has drained over $114 million in Bitcoin across 5,200+ addresses since July 30, 2026. Here's what ...

The Coldcard hack is a preview. When machines can read what humans couldn't (or just didn't), closed source stops being a ...

A five-year-old firmware bug let an attacker guess private keys without ever touching a device.

A Toronto-based company that made Coldcard, a bitcoin-only hardware wallet that has been the latest target of a data breach, ...

A Coldcard firmware bug has drained nearly $89 million in Bitcoin. Learn if your seed is affected, why updating may not help, ...

Self-custody is under attack, and it's becoming increasingly clear that AI is one of crypto's leading threats.

The Coldcard thefts made Bitcoiners question if any hardware wallet can truly be trusted. Here’s what went wrong, and whether ...

Volunteer developers filed 4,962 security findings across 390 Bitcoin projects in about 30 hours. Of the 391 codebases they ...

A flaw in Coldcard wallets cost Bitcoin holders more than $100 million—and reopened an old fight about whether you can trust ...

Apple is limiting simultaneous bug reports as AI floods its security team with questionable findings, even while the same ...

Hackers drained $70M from Coldcard wallets without touching a device. Here's how actually keep your Bitcoin safe when cold storage fails.