Announcements

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

Topics

• Bitcoin for signal
• Bitcoin Core 30.0 released
• Square announces bitcoin payments available everywhere
• CashApp pay with cash over bitcoin rails
• BIP-177 is winning
• Pay any lightning invoice or LNURL through cash app and use your cash tag as an LNURL
• BTCmap.org
• BIP-444 draft
• Self-plug: Unchained launches Android App
• Lava Lending finds themselves in hot… Lava?
• Build Your Own Hardware Wallet? Seedsigner + Satochip Combo is Nuts
• Bitcoin lightning network capacity increasing fast

Techincal… very technical

• Receive & spend MuSig2 aggregate key inputs
• Embedding gifs without op_return
• BitVM3 optimizations
• GSR BIPs
• lnd v0.20.0-beta.rc1
• LDK v0.1.6
• Disclosure: Eclair Preimage Extraction Exploit
• BOLT12 recurrence spec update
• Wipe splice state upon failed interactive funding construction
• The inability to embed data into Schnorr
• Optimal Threshold Signatures in Bitcoin
• Flattening Nested 2-of-2 Of a 1-of-1 And a k-of-n