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#WebPKI

Certificates3 Jun 2026Let's Encrypt

Let's Encrypt bets on Merkle Tree Certificates for post-quantum HTTPS (opens the original in a new tab: Let's Encrypt)

The CA plans a staging environment in late 2026 and production in 2027, while still tracking ML-DSA X.509 certificates. Existing certificates are unaffected.

#Let's Encrypt
#MTC
#WebPKI
#ML-DSA

Certificates28 Oct 2025Cloudflare Blog

Cloudflare and Chrome start an experiment with Merkle Tree Certificates (opens the original in a new tab: Cloudflare Blog)

The experiment tests whether quantum-ready certificates can scale without slowing handshakes or changing WebPKI trust relationships.

#Cloudflare
#Chrome
#MTC
#WebPKI