Let’s Encrypt Unveils Merkle Tree Certificates to Secure the Web Against Quantum Threats

Let’s Encrypt has announced its roadmap for post-quantum Web PKI, centering on a novel approach called Merkle Tree Certificates (MTCs), a design that delivers quantum-resistant authentication without bloating TLS handshakes or breaking the web’s performance expectations. Traditional X.509 certificate chains require significant bandwidth, which would increase substantially with the adoption of robust post-quantum algorithms. MTCs […]

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