Announcements

• Respect people’s privacy
• Interaction and asking questions are encouraged
• Chatham House Rules

Semi-Regular Installment of Bitcoin Trivia!

• trivia

Announcements

• Bitcoin Takeover 2025
• Summer of Bitcoin
• New bitcoin dev mailing list
• btc++

Topics

• Coffee transaction
• Valid same word BIP39 seeds
• Dual funding bolt merged
• Layer 1 Crowdfunding with Semaphore
• UTXO Arbitrage on Coinbase
• v3 tx policy merged
• ZK rollup on Bitcoin
  • maybe?
  • maybe not?
• v3 transaction upgrade paths
• btcd consensus bug
• BIP: Payment info in DNS
• Block stalling bug
• 0-conf channels and v3 anchors
• purrfect vault
• segwit malleability
• mercury layer