Avisos

• Entrem no grupo do Whatsapp Floripa 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 pelo apoio.

Cronograma

Aquecimento

• Programa de capacitação da Vinteum
• Fedimint SDK
• Alguém conseguiu resolver o puzzle 66 do private key finder
  • BitcoinTalk post
• 10101 wind down
• Samourai wallet fork
• OCEAN - DATUM

Q&A

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

Bitcoin

• Mutation-core: A mutation testing tool for Bitcoin Core
• Soft-Fork/Covenant Dependent Layer 2 Review
• Disclosure of memory DoS due to headers spam
• 0-fee parent CPFP’d by high fee child using TRUC transaction on testnet4 (v28.0rc1)

Lightning

• Building BOLT 12 into Strike
  • xcancel.com
  • strike.me
• BOLT12 merged

Ecash

• Bitcoin Design Community Ecash Guide

Cryptography

• Shielded CSV
• Proving UTXO set inclusion in zero knowledge