News
Public · Published
A five-year-old Coldcard bug let hackers guess bitcoin wallet keys, Coinkite confirms
A coding mistake in the 2021 Coldcard hardware wallet caused seed generation to fall back to a predictable software routine instead of the device's true random number generator, allowing hackers to guess keys and steal funds from over 4,500 Bitcoin addresses.
Published:
Updated:
What happened
A coding mistake in the 2021 Coldcard hardware wallet caused seed generation to fall back to a predictable software routine instead of the device’s true random number generator, allowing hackers to guess keys and steal funds from over 4,500 Bitcoin addresses.
Confirmed
Global impact / market context
The flaw shows that even hardware‑based crypto wallets can have software bugs that expose private keys, raising concerns about the security of digital‑currency storage for investors and prompting scrutiny of other wallet designs.
Analyst inference
Bitcoin’s price has been volatile, and news of a large‑scale theft can increase fear among holders, potentially prompting short‑term selling pressure while regulators may push for stricter wallet security standards.
Analyst inference
What to watch
- Updates from Coldcard and Coinkite on patches or firmware releases that fix the seed‑generation bug, which could restore confidence in the device. Proposed
- Regulatory inquiries into hardware wallet security standards, which may lead to new compliance requirements for manufacturers. Proposed
- Investor reactions in Bitcoin trading volumes and price movements following any official statements or remediation actions. Analyst inference
Affected assets
- BTC — Bitcoin