Bitcoin Optech newsletter #420 is here:
- relays advance notice of a planned Core Lightning security release
- summarizes a discussion about opt-in replay protection for potential future forks
- notes that the Hardware Wallet Interface (HWI) project will enter maintenance mode
- describes a request for comments on using block-range filters
- Optech Newsletter #420 Podcast
https://bitcoinops.org/en/newsletters/2026/08/28/
Christian Decker described a forthcoming CLN v26.06.7 point security release, noting no vulnerability is known to be actively exploited...
https://bitcoinops.org/en/newsletters/2026/08/28/#prepare-for-an-upcoming-core-lightning-security-release
Moonsettler posted to Delving Bitcoin to discuss the possibility of introducing an opt-in replay protection mechanism in case of future forks...
https://bitcoinops.org/en/newsletters/2026/08/28/#discussion-on-universal-opt-in-replay-protection
Ava Chow (achow101) announced that the Hardware Wallet Interface (HWI) project will scale back to maintenance-only work and eventually be archived...
https://bitcoinops.org/en/newsletters/2026/08/28/#hwi-repository-to-enter-maintenance-mode
Optout posted to Delving Bitcoin a request for comments (RFC) on a proposal to use block-range filters to reduce the total download size when using compact block filters...
https://bitcoinops.org/en/newsletters/2026/08/28/#request-for-comments-on-using-block-range-filters
Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.
Bitcoin Optech
npub1hk…a432p
2026-08-28 12:02:02 UTC
Author Public Key
npub1hkuk45c6c6h3y0rks0z4wa0wyyud5ru0qy0rn9x4dgnjwrnfy46s5a432pPublished at
2026-08-28 12:02:02 UTCEvent JSON
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"content": "Bitcoin Optech newsletter #420 is here:\n\n- relays advance notice of a planned Core Lightning security release\n- summarizes a discussion about opt-in replay protection for potential future forks\n- notes that the Hardware Wallet Interface (HWI) project will enter maintenance mode\n- describes a request for comments on using block-range filters\n- Optech Newsletter #420 Podcast\nhttps://bitcoinops.org/en/newsletters/2026/08/28/\n\nChristian Decker described a forthcoming CLN v26.06.7 point security release, noting no vulnerability is known to be actively exploited...\nhttps://bitcoinops.org/en/newsletters/2026/08/28/#prepare-for-an-upcoming-core-lightning-security-release\n\nMoonsettler posted to Delving Bitcoin to discuss the possibility of introducing an opt-in replay protection mechanism in case of future forks...\nhttps://bitcoinops.org/en/newsletters/2026/08/28/#discussion-on-universal-opt-in-replay-protection\n\nAva Chow (achow101) announced that the Hardware Wallet Interface (HWI) project will scale back to maintenance-only work and eventually be archived...\nhttps://bitcoinops.org/en/newsletters/2026/08/28/#hwi-repository-to-enter-maintenance-mode\n\nOptout posted to Delving Bitcoin a request for comments (RFC) on a proposal to use block-range filters to reduce the total download size when using compact block filters...\nhttps://bitcoinops.org/en/newsletters/2026/08/28/#request-for-comments-on-using-block-range-filters\n\nBitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.",
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