What are the protocols used in zkEVM?

Created by Sourajyoti Gupta, Modified on Thu, 30 Nov 2023 at 07:00 PM by Sourajyoti Gupta

Polygon's zkEVM employs Ethereum-compatible elliptic curve cryptography for various cryptographic operations, such as key management, signature generation, and encryption/decryption. This system utilizes the secp256k1 elliptic curve, which is also employed in Ethereum.

One of the primary objectives of Polygon's zkEVM is to mitigate the gas cost problem. It achieves this by significantly reducing gas expenses through improved recursive proof composition. This efficiency enhancement has led to a substantial reduction in gas costs, with reports indicating a decrease from 5 million to 350,000 gas units.

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