Intro

• Thank you to our sponsors for food, refreshments and event space
• To donate: click here
• Donny Clutterbuck and Super Testnet are now on the leadership committee for the San Juan Bitdevs
• Michael has a merchandise announcement
• We wish to hold a vote about changing the time for future bitdevs from 7-9 pm to 6-8 pm
• We want to start organizing side events, like ping pong, billiards, and beach days. Join this secondary Signal group if interested
• Next bitdevs is scheduled for Wednesday, July 29, same location, time TBA based on the aforementioned vote
• Any not previously published announcements

Always remember

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

New Toys

• The Cube
• A second implementation of Ark launched on mainnet
• Zero Knowledge Ecash
• Coin-stealing vulnerability found in popular cashu server software
• Cashu inventor proposes “unruggable mints”
• Arbed Out launches Sigbash, a smart contracting tool for bitcoin
• Ditto launches and brings L1 tipping to nostr

Transaction analysis

• Inscriptions propping up mining fees
• Puzzle transaction
• 3d lightning network explorer that shows actual transactions (but only channel opening txs)

Miscellaneous

• BIP110 debate featuring Chris Guida and Super Testnet
• Polish “Blik” payment system gets a bitcoin bridge
• Successor to Bitnodes launches
• First instance of cross-platform CLINK payment (proposed successor to LNURL and BOLT12)