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Coldcard firmware flaw tied to $88M bitcoin theft – AI may have found it first

Coldcard firmware flaw cut Bitcoin key entropy to 40 bits, enabling up to $88M in theft. Affected Mk3 users must generate new ...
Decrypt

Coldcard Bitcoin Exploit Explained: Entropy, How Keys Are Generated, and Why Bits Matter

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

Bitcoiners turn to dice throws as self-custody setups are re-evaluated

A flaw in Coldcard’s random number generation let attackers brute-force private keys and steal over $100M in Bitcoin (BTC), ...

Mixin Highlights Self-Custody Risks After COLDCARD Entropy Incident

Hong Kong, China, August 6th, 2026, ChainwireMixin Safe, a multisignature self-custody product developed by Mixin, enables ...
Science Daily

New method to measure entropy production on the nanoscale

Entropy, the amount of molecular disorder, is produced in several systems but cannot be measured directly. A new equation sheds new light on how entropy is produced on a very short time scale in laser ...

Do the Coldcard attacks mean all hardware wallets are now insecure?

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