Google DeepMind's AlphaProof Code formally verifies Signal's cryptographic code
Google DeepMind introduced AlphaProof Code on November 10, 2026, a multi-agent system using Gemini-powered agents that produced about 6 million lines of Lean proofs to verify security properties of Signal's compiled libsignal code in four weeks, with humans reviewing roughly 1%.
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Timeline · 8 reports
- 2026-11-12 12:07 · The Next Web
Google DeepMind’s AI agents formally verify Signal’s encryption code - 2026-11-11 18:18 · The Decoder
Google Deepmind's AlphaProof Code verified Signal's cryptographic core in four weeks instead of years - 2026-11-11 11:50 · AlphaSignal
Google DeepMind's AlphaProof Code Formally Verifies Signal's Encryption in 4 Weeks - 2026-11-11 05:22 · DEV Community — AI
Google DeepMind's AlphaProof Code Formally Verifies Signal's Cryptographic Protocol - 2026-11-10 19:45 · DEV Community — AI
Google DeepMind's Signal proof: what AlphaProof Code checks - 2026-11-10 14:47 · r/artificial
Google DeepMind's AlphaProof Code proved Signal's actual compiled code secure in 4 weeks, with humans reviewing only 1% - 2026-11-10 13:08 · r/singularity
GDM introduces AlphaProof Code, an AI framework that formally verified Signal’s core cryptographic code in just four weeks, a task that historically takes years - 2026-11-10 12:37 · Unite.AI
Google DeepMind Uses AI Agents to Verify Signal’s Core Machine Code