Avisos

• Entrem no grupo do Whatsapp São Paulo Bitdevs!
• Respeite a privacidade dos participantes.
• Os meetups nunca são gravados. Queremos todos a vontade para participar e discutir os assuntos programados, de forma anônima se assim o desejarem.

Agradecimentos

• Agradecemos à Vinteum pela casa, comidas e bebidas.

Cronograma

Warmup

• Building Bitcoin - Funding a $1.2 Trillion Dollar Project
• Send Bitcoin to anyone that has an email address. (It uses MPC)
• Alpen Labs launches vanilla bitcoin signet with a BitVM-based bridge and Zero-knowledge commitments on-chain
  • Strata: work-in-progress EVM-compatible validity rollup on bitcoin

Bitcoin Q&A

• What specific verifications are done on a fresh Bitcoin TX and in what order?
• How does ban score algorithm calculate ban score for a node?
• Bitcoin Core 28 Tests (testmempoolaccept rejected but submitpackage accepted)

Bitcoin

• Bitcoin Core v28.0 released
• Guide for Wallets Employing Bitcoin Core 28.0 Policies
• Disclosed issues with Bitcoin Core
  • CVE-2024-35202: blocktxn crash
  • CVE-2024-38365: btcd FindAndDelete bug
  • DoS due to inv-to-send sets growing too large
  • Hindered block propagation due to mutated blocks

Lightning

• LN Summit 2024 summary

Cryptography

• secp256k1 v0.6.0 released with musig module
  • PR

R&D

• P2QRH (Pay To Quantum Resistant Hash) BIP draft
• Shielded CSV
• Bitcoin PIPEs: Introducting Covenants without Soft Forks
• Unlocking Mass-Market Self-Custody: Secure and Private Smartphone Bitcoin Wallets
  • assets.ctfassets.net
• Report about ecash from HRF

Mining

• OCEAN - DATUM
• MDK Beta Update: Early Feedback & Expanded Participation
  • www.mining.build