Cloudflare applies to become a certificate authority for post-quantum security

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On September 29, 2026, Cloudflare announced its intent to become a public certificate authority. It aims to issue both classical and post-quantum Merkle Tree Certificates from a single system. The company has applied for inclusion in major browser root programs and plans to acquire an established, trusted root from GlobalSign. This move is designed to ensure certificate recognition on older devices while preparing for future post-quantum cryptography standards.

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