Bitcoin Optech newsletter #351 is here: - announces a new aggregate signature protocol compatible with secp256k1 - describes a standardized backup scheme for wallet descriptors - summarizes popular Q&A from Stack Exchange - Optech Newsletter #351 Recap Jonas Nick, Tim Ruffing, Yannick Seurin posted to the Bitcoin-Dev mailing list to announce a paper they’ve written about creating 64-byte aggregate signatures compatible with the cryptographic primitives already used by Bitcoin... Salvatore Ingala posted to Delving Bitcoin a summary of various tradeoffs related to backing up wallet descriptors and a proposed scheme that should be useful for many different types of wallets, including those using complex scripts... Selected Q&A from Bitcoin Stack Exchange: - Practicality of half-aggregated schnorr signatures? - What’s the largest size OP_RETURN payload ever created? - Non-LN explanation of pay-to-anchor? - Up-to-date statistics about chain reorganizations? - Are Lightning channels always P2WSH? - Child-pays-for-parent as a defense against a double spend? - What values does CHECKTEMPLATEVERIFY hash? - Why can’t Lightning nodes opt to reveal channel balances for better routing efficiency? - Does post-quantum require hard fork or soft fork? Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 15:30 UTC. Join us to discuss or ask questions!
Earlier today @Murch and @schmidty spoke with Niklas Gögge about Newsletter #350: - Fuzz testing tool for Bitcoin nodes - Message signing - PSBTv2 explorer - MPC Library - Bitcoin Core 29.0 - And more! Catch up:
Bitcoin Optech newsletter #349 is here: - describes a proposal for speeding up Bitcoin Core initial block download, with a proof-of-concept implementation that shows a roughly 5x speed up compared to Bitcoin Core’s defaults - recaps the "Stricter internal handling of invalid blocks " PR Review Meeting - Optech Newsletter #349 Recap on Riverside Sebastian Falbesoner posted to Delving Bitcoin a sample implementation and performance results for SwiftSync, an idea proposed by Ruben Somsen during a recent Bitcoin Core developers meeting and later posted to the mailing list... 'Add Fee rate Forecaster Manager' is a PR by ismaelsadeeq that upgrades the transaction fee forecasting (fee estimation) logic... Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 15:30 UTC. Join us to discuss or ask questions!