On May 1, 2026, Google quietly flipped a switch that will reshape how the Android software supply chain is trusted. Every Google-published Android app released after that date now has a corresponding cryptographic entry on a public, append-only ledger — a system called Android Binary Transparency . The Hacker News and Help Net Security covered the rollout this week, and Google's own Android Developers Blog confirmed the company is "actively working to extend Binary Transparency to third-party developers." For users, this is great news. For independent privacy-first developers like us at Super Funicular , it's even better — and here's why. What Binary Transparency actually does A digital signature has always told you who signed an app. Binary Transparency tells you what was signed, when , and lets anyone in the world verify it after the fact. The mechanism comes straight out of the Certificate Transparency playbook the web uses to catch rogue HTTPS certificates.…