Avisos

• Entrem no Signal do BitDevs SP
• Entrem no Discord da Vinteum
• 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

Aquecimento

• stopatheight fix (NOT, just the description got changed)
• raw₿it — Visual Raw Transaction Builder & Script Debugger
• BIP3 Merged
• New monitoring tool (log extractor), made by a UnB student.
• Balanço do retreat de DIY HWW na Casa21.
• Utreexo swift sync
• ARK as a channel factory: compressed liquidity management for improved payment feasibility

Bitcoin

• Incremental mutation testing in the Bitcoin Core
• Cluster Mempool Implementation PR Merged 🚀
• Broadcast own transactions only via short-lived Tor or I2P connections
• Was the P2SH upgrade confiscatory?

Vulnerabilities & Bugs

• Wallet Migration bug present in Bitcoin Core wallet 30.0 & 30.1

• Preping to BTC++: Bitcoin Core vulnerabilities
  • CVE-2025-46597 - Highly unlikely remote crash on 32-bit systems
  • CVE-2025-46598 - CPU DoS from unconfirmed transaction processing
  • CVE-2025-54604 - Disk filling from spoofed self connections
  • CVE-2025-54605 - Disk filling from invalid blocks
• More LND vulnerabilities
  • Infinite inbox DoS
  • Replacement stalling attack
  • Excessive failback exploit 2
• Jade vulnerability

Quantum

• Hash Based signature Schema for Bitcoin
• SLH-DSA (SPHINCS) post-quantum signature optimizations