Announcements

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

Vulnerabilities

• Ledger devices have spy implants - only Cryptobilis or other resellers, too? - discussion
• Blink bounty - followup

BIPs

• BIP Draft - Cosigner Spending Policies
• BIP Draft - One Byte message type ID alias assignment
• BIP Draft - Wallet label synchronization
• BIP Draft - unspendable internal keys - Discussion

Releases

• LayerTree - Discussion
• Zark - Github repo
• Archipelago
• btc-safe bitcoin multisig coordinator
• LexeConnect
• Mostro P2P web app
• Bitcoin Poker - Github - paper
• Coinos v3 - new ASP on the block - Github
• Bitcoin Data Labs new website
• Bitpost P2P shop - discussion
• frost-wallet
• landfall - OCEAN mining rewards via LN with a single recovery phrase
• Bark Dice
• arkpool - Discussion
• BitBox adds lightning to all devices
• find my nuts mesh network
• Lightning Pay Kit
• zaptrain
• Shhark wallet

Research

• Shielded Bitcoin -blog post - Discussion
• Shielded CSV nee Glass Coins - Linus comparison with Shielded Bitcoin
• Silent Payments for multiparty wallets
• Risks of key reuse with rebindable signatures
• Cassis - generic multi-layer multi-hop HTLC routing
• snal - zero onchain fee transaction sender
• Coinjoin change as shared lightning liquidity - video
• Invalid bitcoin blocks research
• Depots - yet another Bitcoin scaling idea - optech summary - Discussion
• 10 AI models vs embargoed Core Lightning - Discuss
• LN-GAP - Github

Quantum

• Coinbase: working together on Bitcoin’s quantum readiness
• Compact Shielded CSV
• PRAWNS
• Project Eleven reviews SHRINCs - Discussion

Tools

• Bitcoin calendar gets a timeline view - Discussion
• BIP Explorer
• SiriScore - analyze bitcoin transaction privacy
• Entropylab
• Zine about OP_CAT
• Wallet playground

News

• Liquid staged recovery update - Discussion
• Would you trust an entirely AI-written bitcoin node implementation?
• Claude finds ECDSA curve origins - Discussion
• fiatjaf doesn’t like lightning anymore selections from transcript
• Binance Pool closing
• Lightspark dotMoney - Money as a file
• FinCEN drops the mixer rule
• MARA Foundation appoints Peter Todd head of Slipstream - Discussion
• Block launches Bitcoin consumer ad campaign
• EMM returns $1.725 million Bitcoin through whitehat Coldcard hackers
• x402 merges lightning spec
• The Progressive Bitcoiner shuts down and then tries to raise $2m - Discussion

Bonus discussion

• ye olde fungibility discussion
• anyone sold their Bcashjr coins?