Channel jamming, static Core, tx rate limiting – Bitcoin Optech Newsletter #418

Bitcoin Optech newsletter #418 is here:

• describes a proposed contract protocol for mitigating Lightning Network channel jamming
• reports on the availability of static Bitcoin Core binaries for testing
• summarizes a change replacing Bitcoin Core’s per-peer transaction rate-limiting with a global approach
• Optech Newsletter #418 Podcast https://bitcoinops.org/en/newsletters/2026/08/14/

Antoine Riard posted to Delving Bitcoin a new approach to mitigate channel jamming on the Lightning Network… https://bitcoinops.org/en/newsletters/2026/08/14/#conditional-message-transfer-contract-to-solve-jamming

Michael Ford (fanquake) posted to the Bitcoin-Dev mailing list announcing test builds of static Bitcoin Core release binaries produced using the project’s existing Guix infrastructure… https://bitcoinops.org/en/newsletters/2026/08/14/#static-bitcoin-core-binaries-available-for-testing

Anthony Towns posted to Delving Bitcoin announcing the merge of Bitcoin Core #34628, which replaces the per-peer transaction rate-limiting with a global approach… https://bitcoinops.org/en/newsletters/2026/08/14/#replacing-per-peer-transaction-rate-limiting-with-global-rate-limits

Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.