Policy Pulse 第21号（2026年6月27日週）では、米国における暗号資産の規制動向、各国のデジタル資産政策の最新情報、および業界全体に影響を与える法改正の進捗状況を詳報します。
Zcash's formal verification efforts have eliminated undetectable counterfeiting bugs from the new Ironwood pool, ruling out such vulnerabilities up to the underlying cryptographic assumptions, as part of Project Tachyon.
Zcash testnet is updating for Ironwood with two independently developed consensus implementations, one by Valar Group (in audit) and another by the Zcash Foundation. Users can try a desktop wallet fork with migration code, and Keystone dev device users can update firmware to test signing 11+ transactions with a single QR code.
Raymond Chen explains a specific type of Control Flow Guard (CFG) check that combines validation and function calling into a single operation, describing how this "combined validate and call" approach works as a two-in-one package within Windows security mechanisms.
Simon Willison's June 2026 sponsors-only newsletter is now available, covering topics such as Claude Fable 5, GPT-5.6, US export restrictions, GLM-5.2, Datasette Apps, and various model releases. The newsletter is accessible to GitHub sponsors, with a $10/month sponsorship option to stay a month ahead of the free copy.