Bitcoin Optech #306: Disclosure of Vulnerabilities Affecting Older Versions of Bitcoin Core
This issue announces an upcoming disclosure of Bitcoin Core vulnerabilities, and describes: a draft BIP for testnet4, functional encryption covenants, proposed updates to 64-bit arithmetic in Bitcoin Script, looks at OP_CAT script to validate proof of work, as well as proposed update to BIP21.
- "Several members of the Bitcoin Core project discussed on IRC a proposed policy for disclosing vulnerabilities that affected older versions of Bitcoin Core..."
"After this policy has a chance to be further discussed, it is the intention of the project to begin disclosing vulnerabilities affecting Bitcoin Core 24.x and below. It is strongly recommended that all users and administrators upgrade to Bitcoin Core 25.0 or above within the next two weeks."
- "Fabian Jahr posted to the Bitcoin-Dev mailing list to announce a draft BIP for testnet4, a new version of testnet designed to eliminate some problems with the existing testnet3..."
- "Jeremy Rubin posted to Delving Bitcoin his paper about theoretically using functional encryption to add a full range of covenant behavior to Bitcoin with no required consensus changes..."
- "Chris Stewart posted to Delving Bitcoin to announce an update to his earlier proposal to add the ability to work with 64-bit numbers in Bitcoin Script..."
- "Anthony Towns posted to Delving Bitcoin about a script for signet that uses OP_CAT to allow anyone to spend coins sent to the script using proof of work (PoW). This can be used as a decentralized signet-bitcoin faucet..."
- "Matt Corallo posted to the Bitcoin-Dev mailing list about updating the BIP21 specification for the bitcoin: URI..."
"Bitcoin Optech will host an audio recap discussion of this newsletter on Twitter Spaces Tuesday at 14:30 UTC. Join us to discuss or ask questions!"
