Announcements

Please join us for a special Socratic Seminar at Bitcoin 2025 in Las Vegas, NV. This will be on Wednesday at 3:30PM Pacific time at the Open Source Stage.

Housekeeping

• Chatham House Rule is in effect at this event. Please no photos or videos. If you talk about what was discussed at the event, please do not identify participants in the discussion.
• What is BitDevs?
• Start your own BitDevs!

Matt

• Misty Breez now has complete support for BOLT 12 and BIP353
• BOLTs PR: Zero-fee commitments using v3 transactions (feature 40/41)
• Pathfinding with LDK
• LND’s Deadline-Aware Budget Sweeper
• Which ephemeral anchor script should lightning use?
• BOLTs PR: option_simple_close (features 60/61)
• BOLTs PR: Attributable failures (feature 36/37)
• CoreLN PR: Bolt updates after 24.11
• LDK PR: Fail HTLC backwards before upstream claims on-chain
• ACINQ products are back in the USA
• Coinbase: 15% of BTC transactions now move on Lightning rails
• Stelios: lightning payment trends
• BIP 321: URI Scheme (Replace BIP 21 with a new BIP containing information about more modern usage of it)

Murch

• Mempool emptied
• Blocks are full at 4,000,000 weight, not at 4 MB
• Consolidation after peak UTXO count
• Mempool.space UTXO Set Report
• consensus: Remove checkpoints
• Swiftsync: Faster synchronization with UTXO set hintfile
• Swiftsync early prototype 5x speedup for IBD vs AssumeValid
• After 4.5 years: Legacy Wallet Removal complete.
  • wallet: Disable creating and loading legacy wallets
  • Remove the legacy wallet and BDB dependency
• The Future of Bitcoin Testnet
  • What’s going on with Testnet4
  • Fork Observer visualization
• BIPs: 383 pull requests processed since April 2024, over 20 new BIPs. Recently:
  • BIP 53: Disallow 64-byte transactions
  • BIP 54: Consensus Cleanup
  • BIP 172: Define Bitcoin Subunits as Satoshis
  • BIP 177: Redefine Bitcoin’s Base Unit
  • BIP 321: URI Scheme
  • BIP 443: CHECKCONTRACTVERIFY
  • Withdrawn: BIP 345: OP_VAULT
• Review Club on Cluster mempool: add txgraph diagrams/mining/eviction
• CoreDev 2024 Retrospective

Stephen

• Bitcoin and Quantum Computing: Current Status and Future Directions
• CakeWallet ads PayJoin V2 support
• BOLT 12 - re-add recurrence support
• Breez Nodeless supports BOLT12 and BIP353
• Continued discussion around BIP177 - Redefine Bitcoin’s base unit
• A Zero-Dependency Web Component for Stylish BIP-21 Payments
• DMND Stratum V2 Mining Pool emerges from stealth
• Coin Control UI for Bitcoin Core App - PR - Issue
• descriptor-encrypt: a rust library to encrypt Bitcoin descriptors