Bitcoin Optech newsletter #404 is here:

• describes possible solutions to node fingerprinting
• links to discussion of using public fraud proofs to improve incentives around just-in-time channels
• Optech Newsletter #404 Podcast
  https://bitcoinops.org/en/newsletters/2026/05/08/

Naiyoma posted to Delving Bitcoin about possible solutions to the node fingerprinting issue that uses the addr message timestamp to identify the same node on multiple networks...
https://bitcoinops.org/en/newsletters/2026/05/08/#possible-solutions-to-node-fingerprinting

Thomas Voegtlin posted to Delving Bitcoin about a new proposal for improving the game theory behind just-in-time (JIT) channels by using public fraud proofs to demonstrate that an LSP is misbehaving...
https://bitcoinops.org/en/newsletters/2026/05/08/#public-fraud-proof-for-just-in-time-channels

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