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Retr0id 5 hours ago [-]
> Does it mean Merkle’s authentication tree is still used today?
> It is. In fact, the Merkle tree is a fundamental part of blockchain.
True, and merkle trees are just about everywhere, but more interestingly it's part of SLH-DSA (the NIST standardization of SPHINCS+), a quantum-secure signature scheme. And it's not just any old merkle tree, it's a continued evolution of the original Lamport signature scheme discussed in the article.
> It is. In fact, the Merkle tree is a fundamental part of blockchain.
True, and merkle trees are just about everywhere, but more interestingly it's part of SLH-DSA (the NIST standardization of SPHINCS+), a quantum-secure signature scheme. And it's not just any old merkle tree, it's a continued evolution of the original Lamport signature scheme discussed in the article.