Merkle trees are a fundamental data structure used in blockchain technology for efficiently verifying data integrity. Leaves at the bottom hold data chunks, and parent nodes store the hash of their combined child node hashes.
This continues upwards, culminating in a single root hash. To prove a piece of data is part of the tree, only a small “Merkle proof” containing hashes along a single branch is needed, reducing verification costs substantially. Merkle trees ensure tamper-resistance and streamline data verification in blockchains.
Verkle trees are a more advanced type of Merkle tree, taking up significantly less storage space. In a regular Merkle tree, each non-leaf node stores the hashes of its child nodes.
Developers can create and implement smart contracts and decentralized applications (DApps) on the open-source, decentralized Ethereum network. Participants in the decentralized computer network that runs it validate and log transactions on the blockchain.