Bitcoin Optech newsletter #285 is here:
- discloses a past vulnerability affecting Core Lightning
- announces two new soft fork proposals
- provides an overview of the cluster mempool proposal
- relays information about an updated specification and implementation of transaction compression
- summarizes a discussion about Miner Extractable Value (MEV) in non-zero ephemeral anchors
- adds an Ark topic
- Optech Newsletter #285 Recap on Twitter Spaces
https://bitcoinops.org/en/newsletters/2024/01/17/
Matt Morehouse used Delving Bitcoin to announce a vulnerability he had previously responsibly disclosed that affected Core Lightning versions 23.02 through 23.05.2...
https://bitcoinops.org/en/newsletters/2024/01/17/#disclosure-of-past-vulnerability-in-core-lightning
Brandon Black posted to Delving Bitcoin details about a soft fork that combines previous proposals for OP_CHECKTEMPLATEVERIFY (CTV) and OP_CHECKSIGFROMSTACK (CSFS) with a new proposal for an OP_INTERNALKEY that places the taproot internal key on the stack...
https://bitcoinops.org/en/newsletters/2024/01/17/#new-lnhance-combination-soft-fork-proposed
Chris Stewart posted a draft BIP to Delving Bitcoin for enabling 64-bit arithmetic operations on Bitcoin in a future soft fork. Bitcoin currently only allows 32-bit operations...
https://bitcoinops.org/en/newsletters/2024/01/17/#proposal-for-64-bit-arithmetic-soft-fork
Suhas Daftuar posted a summary of the cluster mempool proposal to Delving Bitcoin. Optech attempted to summarize the current state of cluster mempool discussion in Newsletter #280 but we would strongly recommend reading the overview by Daftuar, who is one of the architects of the proposal...
https://bitcoinops.org/en/newsletters/2024/01/17/#overview-of-cluster-mempool-proposal
Tom Briar posted to the Bitcoin-Dev mailing list an updated draft specification and proposed implementation of compressed Bitcoin transactions...
Gregory Sanders posted to Delving Bitcoin to discuss concerns about ephemeral anchor outputs that contain more than 0 satoshis...
Ark is a trustless joinpool-style protocol where a large number of users share a UTXO by accepting a counterparty as a co-signer on all transactions within a certain time period. This spreads the cost of onchain fees from using that UTXO across many users, minimizing their individual costs...
https://bitcoinops.org/en/topics/ark/
Bitcoin Optech will host an audio recap discussion of this newsletter with special guests Brandon Black, Chris Stewart, and Gregory Sanders on Twitter Spaces Thursday at 15:00 UTC. Join us to discuss or ask questions!