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Merkle root

The single hash at the top of a Merkle tree that commits to every leaf below it; a block's Merkle root (the mr field in a proof bundle) commits to that block's items and entropy observations, and an epoch's root is the value recorded on a public blockchain.

Overview

The Merkle root is the single hash at the top of a Merkle tree that commits to every leaf below it: change, add, remove, or reorder any leaf and the root changes. In Truestamp a block’s Merkle root (the mr field of the b block map in a proof bundle) commits to all items and entropy observations in that block, and an epoch root is the Merkle root over a batch of block hashes, the value recorded on a public blockchain. How the root is computed is covered in the RFC 6962 Merkle tree; how a single leaf is proven against a root is covered in Merkle inclusion proofs.

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