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: Validity & Fraud Proofs 

While exploring L2 solutions, you’ve most likely encountered these two terms both acting as verifiers of transactions’ legitimacy. 

📍Key Differences

Validity Proofs, used in zk-Rollups:

Transactions are processed off-chain and bundled into batches. A cryptographic proof verifies their correctness, and only this proof and minimal data are posted on-chain. Once verified, transactions are final and secure.

Fraud Proofs, used in Optimistic Rollups:

Transactions are processed off-chain and bundled into batches, which are posted on-chain as correct. A challenge period allows to contest fraudulent transactions. If fraud is detected, corrective measures are applied.

📍Comparative Insight

While fraud proofs offer certain simplicity, they can also introduce inefficiencies. Validity proofs provide high level of security through cryptographic verification, and immediate finality.

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Prom Explaining: Validity & Fraud Proofs.