Build a Merkle tree from a list of items (one per line). Each item is SHA-256 hashed to form a leaf. Parent nodes are SHA-256 hashes of concatenated child hashes. Shows root hash, tree structure, and proof path for the first item.
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Enter one item per line. Each leaf is hashed with SHA-256. Intermediate nodes hash pairs of child hashes. Max 64 items.
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marduc812
2026