CLN, replay protection, fee estimation – Bitcoin Optech Newsletter #420 Recap

Níckolas Goline, Optout, Abubakar Sadiq Ismail, and Moonsettler joined Optech to discuss Newsletter #420:

• Core Lightning security release
• Discussion on universal opt-in replay protection
• HWI repository to enter maintenance mode
• Request for comments on using block-range filters
• Mempool-based fee rate estimation
• And more https://bitcoinops.org/en/podcast/2026/09/01/

You can listen on our website: https://bitcoinops.org/en/podcast/2026/09/01/

Fountain: https://fountain.fm/episode/6uqKjYV32aRYPUDC8qmA

Spotify: https://open.spotify.com/episode/1OXIPG1cOxY7wzvaFNgSfb

Apple Podcasts: https://podcasts.apple.com/us/podcast/bitcoin-optech-newsletter-420-recap/id1674626983?i=1000787478451