- A crowdsourced Google Sheet was shared for tracking the lowest-cost suppliers of longevity-related compounds such as NMN (nicotinamide mononucleotide), NR (nicotinamide riboside), GPC (glycerophosphocholine) and TMG (trimethylglycine), with an open invitation to add new sources.  
- Discussion of ION (Identity Overlay Network), a decentralized-identity sidechain/DID method built on Bitcoin, was prompted by a link to the open-source repository at https://github.com/decentralized-identity/ion.  
- A new zero-knowledge argument system paper, “Efficient zero-knowledge arguments in the discrete log setting, revisited,” was circulated (eprint 2019/944) as part of ongoing interest in privacy-preserving cryptography.  
- Bitbucket’s announcement that it will sunset Mercurial support sparked brief concern about repository migration and the long-term archival of related open-science code.  
- A blog post on retrofitting privacy into legacy protocols with zero-knowledge proofs (https://blog.gtank.cc/private-legacy-with-zero-knowledge/) was highlighted as a practical approach to enhancing existing systems.  
- The diyhpluswiki received two new commits: a transcript of the Stephan Livera Podcast interview with Michael Flaxman was added, continuing the community effort to preserve key technical discussions.  
- Twitter commentary was relayed suggesting that Stanford bioethicist William Hurlbut believes media leaks—specifically Antonio Regalado’s early disclosure—were pivotal in the backlash against He Jiankui’s CRISPR-baby experiment.