Bitcoin Optech newsletter #406 is here: - links to a discussion of updates to BIP322’s generic signed message format - describes an idea to use TCP hole punching to help Bitcoin nodes behind NATs accept inbound connections - summarizes changes to services/client software - Optech Newsletter #406 Podcast Oliver Gugger posted to the Bitcoin-Dev mailing list about his ideas on how to round out BIP322... 0xB10C posted to Delving Bitcoin about an idea to make more nodes behind a home router NAT accept inbound connections... Changes to services and client software: - Ibis Wallet announced - LDK Server announced - Mempool.space v3.3.0 released - peer-observer P2P monitoring tooling Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.