# Coldcard Ships New Firmware After a $114 Million Theft and Says AI Review Found More Bugs

Coinkite replaced the backup random number generator that produced guessable seeds, added a pre-signing transaction recheck, and now requires users to supply their own dice or coin entropy.

- Published: 2026-08-22T05:43:59.635Z
- Canonical: https://polylog.news/crypto/2026-08-22/coldcard-ships-new-firmware-after-a-114-million-theft-and-sa
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CoinDesk](https://www.coindesk.com/tech/2026/08/21/coldcard-ships-firmware-after-usd114-million-bitcoin-theft-says-ai-helped-catch-more-bugs), [Bitcoin Magazine](https://bitcoinmagazine.com/culture/open-source-vs-source-available-what-the-coldcard-failure-teaches-about-bitcoin-software-incentives), [Rekt News](https://www.rekt.news/)

Coinkite, the Canadian maker of the Coldcard hardware wallet, has released new firmware three weeks after disclosing the flaw that allowed attackers to drain more than $114 million in bitcoin from users. The defect had been present since fi…

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