Merkle root

Single hash summarising an entire attestation batch. Anchoring that one value is enough to make every attestation in the batch verifiable through a short inclusion path — which is what allows thousands of facts to be anchored for the cost of one.

Related notions

Equivalents elsewhere

What the blog says

  • A Proof Is Not a Fact. It Is a Path.

    What makes a proof is neither sincerity nor precision, but continuity: a chain of transformations in which every link remains reversible.

  • Signer, relier, publier

    Un système de preuve fait trois choses distinctes. Pourquoi la signature vient d’abord, pourquoi relier fait le vrai travail, et à quel moment une chaîne devient nécessaire.

Where it is implemented

  • lib/onchain-anchor.ts
Canonical identifier: https://veratrace.xyz/ontology#MerkleRoot