Bitcoin Core has changed the rules by which security vulnerabilities in the most important Bitcoin software become public. Anyone reporting a flaw that can be rediscovered with little effort no longer triggers months of silence, but a point release for every major version still under maintenance and a security advisory on the same day. The change was adopted into the disclosure policy on bitcoincore.org on October 22, 2026 at 16:06.
For you as a holder of Bitcoin this is no footnote from the developer world. The policy decides how quickly a fixed flaw in the software reaches you, and it decides how much of a head start an attacker has in the meantime. At around $81,400 per bitcoin on October 23, 2026, the value of entire wallets hangs on that question.
What Bitcoin Core changed in the policy on October 22
Bitcoin Core is the reference software of the Bitcoin network. It validates blocks, holds the blockchain and helps determine which transactions count as valid. Anyone running their own node is in most cases running exactly this...
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