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What Is a ‘Merkle Tree’ and Why Is It Essential for Blockchain Efficiency?

A hash tree that summarizes all block transactions into a single 'Merkle Root' for efficient and fast transaction verification.
Greeks.Live07.11.25

What Is a ‘Merkle Tree’ and Why Is It Essential for Blockchain Efficiency?

A Merkle Tree, or hash tree, is a data structure used to efficiently summarize all the transactions in a block. It works by repeatedly hashing pairs of transaction hashes until a single 'Merkle Root' hash remains.

This root is included in the block header. It allows for quick and efficient verification of any transaction without downloading the entire block.

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?
How Does Hashing Relate to the Concept of a Merkle Tree in a Blockchain?
What Is the Role of a Merkle Tree in a Blockchain Block?

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