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What Is the Role of a Merkle Tree in Block Validation?

It summarizes all block transactions into a single Merkle Root hash, enabling efficient and secure transaction verification.
Greeks.Live07.11.25

What Is the Role of a Merkle Tree in Block Validation?

A Merkle Tree, or hash tree, is a data structure used to efficiently summarize all the transactions in a block. It is built by repeatedly hashing pairs of transaction hashes until only one root hash remains.

This Merkle Root is included in the block header. It allows for quick and secure verification that a specific transaction is included in the block without needing to download the entire block's transaction list.

How Is the Merkle Tree Root Hash Used to Prove the Inclusion of a Transaction in a Block?
What Is a Merkle Tree and How Does Hashing Secure It?
What Is the Difference between the Merkle Root and the Block Hash?
How Does a Merkle Tree Enable Simplified Payment Verification (SPV)?

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