| Status | IN PROGRESS |
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Background
Shorthand
Discussion Participants: Makoto Takemiya , Salakhiev Kamil
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We should be storing the merkle root in the block header now in iroha 2, I mean, that is how the design is. For the block hash, the txs shouldn't be hashed, but only the merkle root.
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Problem
To make fast validations of Blockchain state we should use some secure solution like Merkle Tree.
Solution
Block's Merkle Tree should have parents Block's hash as a leftmost leaf, and transactions hashes for other leafs. Blocks headers will store only hashes of Merkle Tree (Merkle root).