Prometeus (PROM) is an Ethereum-based token for anonymous and trustless data exchange. The ecosystem was created to solve problems in the field of data brokerage operations for the data markets of marketing, medicine, insurance. The network is secure and decentralized, supports data markets owned by people and offers ways to profit from interacting with them.

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Prom Explaining: Merkle Trees

Today, we’re exploring Merkle Trees, a structure for securely storing data.

What are Merkle Trees?

Merkle trees are a cryptographic structure for verification of large datasets. They use a binary structure where each leaf node represents a hash of a data block, and each non-leaf node is a hash of its child nodes, culminating in a single root hash that represents the entire dataset.

Merkle Root in Layer 2 zk-Rollup Architecture

Transactions in a L2 structure are batched and hashed into a Merkle tree's leaf nodes. These nodes are hashed iteratively to produce a single Merkle root, which is included in ZKPs to verify transactions without revealing data. The zk-proof and Merkle root are submitted to L1 for validation, allowing efficient verification of the whole batch. 

The Merkle root helps maintain data integrity, detect tampering, provide efficient proofs, and support scalability.

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Prom Explaining: Merkle Trees. Today, we're exploring Merkle Trees, a structure for securely storing data.