Announcements

• Respect the privacy of participants
• Meetups are never recorded. We want everyone to feel comfortable participating and discussing the scheduled topics, anonymously if they wish

Acknowledgements

• Thanks to Vinteum and Bitcoin Paraguay for the support

Warmup

• How “filters” started?
• A note on hostility against Bitcoin Core devs
• Zero zero zero transaction

Bitcoin (Core, protocol, wallets)

• What is in Bitcoin Core v30?
  • Notable: Improve TxOrphanage denial of service bounds
• Are all taproot addresses vulnerable to quantum computing
• Draft BIPs for Script Restoration

L2

• Spark/WoS lack of privacy
  • Example: elderdeborah028@walletofsatoshi.com
• Eclair vulnerability that allows an attacker to steal all current funds from a channel

Privacy / Cryptography / Research

• Secure Fountain Codes for Pruned Bitcoin Nodes
  • Fountain code

Releases

• Sparrow wallet 2.3.0 has silent payments support