Location

MicroStrategy HQ, 1850 Towers Crescent Plaza, Tysons Corner, VA 22182

Agenda

5:30pm - Doors open and social hour
6:30pm - BitDevs Socratic Seminar
9:30pm - Departure

Socratic Seminar

As a reminder, the ground rules of BitDevs are as follow:

1. No photos, videos, or recordings.
2. Chatham House Rule: you may reiterate the contents of the meeting without attribution.

These rules exist so that BitDevs participants can speak freely within the event.

Questions are encouraged, including basic ones!

News

• Coldcard enables Co-signing and unveils Key teleport for Q devices.
  • https://coldcard.com/docs/coldcard-cosigning/#enable-ccc/
  • https://github.com/Coldcard/firmware/blob/master/docs/key-teleport.md/
• Ember One release emberOne/00
  • https://github.com/256-Foundation/emberone00-pcb/releases/tag/v3-release/
• Coinbase says customers’ personal information stolen in data breach
  • https://techcrunch.com/2025/05/15/coinbase-says-customers-personal-information-stolen-in-data-breach/
  • https://primal.net/e/nevent1qvzqqqqqqypzpaegm8nwwpyrtrnsjv84efjtp9mhpkvfenvxs487vx8d48y28qgxqqswpsjngm89cplj7v826328xgew938nqra95wfamresz2m5pltszqcq5jnxt
• Critical BTC Pay Server Bug
  • https://xcancel.com/BtcpayServer/status/1922845019494318519

Bitcoin

• datacarrier limit
  • https://github.com/bitcoin/bitcoin/pull/32359/
  • https://github.com/bitcoin/bitcoin/pull/32406/
  • https://gist.github.com/instagibbs/c436110890ab25aa9997b13c2270d5ce/
• Taproot fields Arbitrary Data
  • https://github.com/bitcoin/bitcoin/pull/32453/
  • https://xcancel.com/rot13maxi/status/1921345826800152907
  • https://mempool.space/tx/b78748f2ee3222d9bf4b23ab917136c745531ccc5ef8097235d11e16483e466f
  • https://xcancel.com/rot13maxi/status/1923087628594794800
  • https://mempool.space/tx/cb3cbedca4fa4aa4d1d583dc8f4add5cdba0c89b31b4abb2ce67688323081847
• Age-old denomination debate (New BIP number assigned)
  • https://github.com/bitcoin/bips/blob/master/bip-0176.mediawiki/
    • https://event.bitcoin.design/#project-reczoE4WXQpKW5pZA/
  • https://github.com/bitcoin/bips/blob/master/bip-0177.mediawiki/
• parasite pool
  • https://parasite.space
• Rust Bitcoin add MuSig2 support
  • https://github.com/rust-bitcoin/rust-secp256k1/pull/716

Lightning

• Path Queries
  • https://delvingbitcoin.org/t/path-queries-addressing-payment-reliability-and-routing-limitations/1672/

Submit suggestions for next meeting!

Issues on Github: https://github.com/dcbitdevs/dcbitdevs.github.io/issues