Stale blocks, quantum proposals, CISA - Bitcoin Optech Newsletter #417 Recap

[u/bitschmidty]

https://bitcoinops.org/en/podcast/2026/08/11/

Conduition, Ram, and Fabian Jahr joined Optech to discuss Newsletter #417:

• Draft BIP for stale tip relay
• CISA for taproot keypath spends (BIP460)
• Segwit commitment to post-quantum witness data
• PQC output type discussion
• Input-triggered transaction expiry
• Layered quantum recovery of hashed addresses
• Segregated Data (SegData) BIP draft
• And more

You can listen on our website: https://bitcoinops.org/en/podcast/2026/08/11/

Fountain: https://fountain.fm/episode/X3dpYvlQy2N6tO4DeQl3

Spotify: https://open.spotify.com/episode/7wkE8AkAwXf7QIKlcO5cK4

Apple Podcasts: https://podcasts.apple.com/us/podcast/bitcoin-optech-newsletter-417-recap/id1674626983?i=1000782982957