Announcements

• Respect people’s privacy
• Interaction and asking questions are encouraged
• Chatham House Rules
• Join our Telegram group (https://t.me/BitcoinAustin) QR or Sphinx Chat
• Bitcoiner Jobs
• Use code AUS25 for The Bitcoin Conference!

News

• Bitcoin 2022 Bitdevs
• SatsxSW Hackathon!
• Wasabi censoring coinjoin inputs

Research

• Wasabi Address Reuse Bug (nopara’s explanation)
• CoinPool
• MimbleWimble Broken

Notable Code Changes

• Phantom node payments (ldk)
• bdk v0.4.0
• HWI - ledger bitcoin 2.0 support
• Migration to descriptor wallets
• BIP326 Number Assigned
• Add (sorted)multi_a descriptor for k-of-n multisig inside tr

Contract Protocols

• Recurring bitcoin/ln payments using DLCs
• Sapio implementation of CTV DLCs
• Teleport Transactions / CoinSwap
• Simple CTV Vault
• OP_EVICT

Lightning

• Channel Eviction From Channel Factories By New Covenant Operations
• LnVortex - open ln channels in a coinjoin
• RoboSats - Decentralized bitcoin purchases over lightning
• lnd state bloat
• Lighting Payment speed
• rust-teos a ldk based watch tower

Bitcoin

• Bitcoin Core performance evolution
• Don’t Mix Your Timelocks
• Bitcoin Script Expressiveness: To recurse or not to recurse
• Open p2p connections to nodes that listen on non-default ports
• Fuzz testing in core
• Invalid script and arbitrary data in genesis block