• Cloudflare joined Signal as an independent auditor for the app’s Key Transparency system supporting automatic key verification.
• Role aims to strengthen trust in end-to-end encryption by verifying a tamper-evident log of key changes for global consistency.
• Auditor pulls batches from the log, cryptographically checks consistency, then signs updates for Signal to distribute to users.
• Cloudflare said its auditor operates only on cryptographic proofs, without access to user identifiers, public keys, or message content.
• Move extends Cloudflare’s key-transparency work in messaging, following its 2024 appointment as a WhatsApp auditor.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. CloudFlare Inc. published the original content used to generate this news brief via Business Wire (Ref. ID: 202608120900BIZWIRE_USPR_____20260812_BW189576) on August 12, 2026, and is solely responsible for the information contained therein.