This week’s newsletter covers using Lightning Network splicing, announcements for a layer-crossing workshop and more.

The Bitcoin Optech newsletter provides readers with a top-level summary of the most important technical news happening in Bitcoin, along with resources that help them learn more. To help our readers stay up-to-date with Bitcoin, we're republishing the latest issue of this newsletter below. Remember to subscribe to receive this content straight to your inbox.

This week’s newsletter describes a draft specification for LN splicing, announces a workshop about transaction relay security, announces the addition of ECDSA signature adaptor support to libsecp256k1-zkp, and links to proposals to change the BIPs process. Also included are our regular sections with summaries of popular questions and answers from the Bitcoin StackExchange, announcements of software releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.

Bitcoin StackExchange is one of the first places Optech contributors look for answers to their questions—or when we have a few spare moments to help curious or confused users. In this monthly feature, we highlight some of the top-voted questions and answers posted since our last update.

New releases and release candidates for popular Bitcoin infrastructure projects. Please consider upgrading to new releases or helping to test release candidates.

Notable changes this week in Bitcoin Core, C-Lightning, Eclair, LND, Rust-Lightning, libsecp256k1, Hardware Wallet Interface (HWI), Rust Bitcoin, BTCPay Server, Bitcoin Improvement Proposals (BIPs), and Lightning BOLTs.

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