Sections
Advisories
Wallet firmware and software vulnerabilities, fixes and what holders should do.
Latest
Analysis
Bitcoin Core 32.1, 31.2, 30.4 and 29.5: three flaws fixed
Two memory-exhaustion bugs and an undo-file overflow, disclosed on 28 October 2026: who is affected, how serious they are, and what node operators should do.
3 min read
Explainer
What to do when a wallet vulnerability is announced
A calm order of steps for the day a wallet maker publishes a security advisory: read it, judge your exposure, update safely, move funds only if told to.
3 min read