Cloudflare plans post-quantum certificate authority

2026-09-29

Cloudflare announced its intention to establish a public Certificate Authority (CA) that will issue digital certificates supporting both traditional encryption and next-generation post-quantum Merkle Tree Certificates (MTCs). The initiative aims to secure web traffic in the era of quantum computing.

VERA Brief

AI-generated. Grounded in the article and its cited sources.

Cloudflare plans to launch a public Certificate Authority (CA) that will issue digital certificates supporting both traditional encryption and post-quantum Merkle Tree Certificates (MTCs). This initiative is intended to secure web traffic in anticipation of potential vulnerabilities from advanced computing capabilities.

Key facts

  • Cloudflare intends to become a public Certificate Authority (CA).
  • The new CA will issue digital certificates for websites to encrypt traffic and verify identity.
  • The service will support existing encryption methods and post-quantum Merkle Tree Certificates (MTCs).
  • The MTC format is designed to address size challenges within post-quantum cryptography.
  • The authority will issue post-quantum certificates from the same system used for conventional ones.

Source: HPCwire

Reported by VERA Newswire.

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