07/01/2021 | Press release | Distributed by Public on 07/01/2021 13:48 EY contributes a zero-knowledge proof layer 2 protocol into the public domain to help address increasing transaction costs on Ethereum blockchain Protocol enables private transfer of Ethereum tokens Improves efficiency and developer friendliness Integrates rollup technologies to conduct transfers at an affordable price EY today released a new set of tools for privately managing transactions on the Ethereum blockchain. The project, known as Nightfall 3, combines zero-knowledge proofs (ZK or ZKP) with a new model for handling transaction verification to increase efficiency and reduce transaction costs known as an optimistic rollup. The combined protocol is known as a ZK-Optimistic Rollup.