Announcements

Intro

• Thank you to our sponsors for food, refreshments and event space
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• Join our Signal group
• Fill out our participation form
• Next bitdevs is September 23 from 7pm to 9pm
• Any not previously published announcements

Always remember

• Respect the privacy of the participants
• Interaction and asking questions are encouraged
• Chatham House Rules

Show and tell

• Alex Newman presents how his wallet software uses bip157

Red alert situations

• Many coldcard hardware wallets vulnerable to theft
• How the coldcard bug works
• Dropkick is a “rescue” protocol for use in the event of a quantum emergency in bitcoin
• Boltz Exchange warrant canary expires – assume the worst?

L2s and similar services

• Lightning Labs announces a third implementation of Ark
• Someone implemented a channel factory design called SuperScalar
• Private asset exchange based on Mercury statechain
• Lightning spec repo merges Bolt12 Payment Proofs

Bitcoin and AI

• Spiral adds an AI division to their bitcoin R&D team
• Project Loupe comes out to use AI to scan bitcoin projects for vulnerabilities
• Boltz Exchange disabled due to AI hackers
• Bitgo CEO challenges Anthropic AI to hack his bitcoin wallet

Arbitrary data

• Chris Guida prepares a PoW change for BIP110 “just in case”
• Checking in on BIP110: was there a chain split?
• Minting runes at a discount via P2A addresses

Miscellaneous

• Bitmex is shutting down
• SpaceX reports $540 million loss on their bitcoin holdings