Ethereum’s New Privacy Solution: cWETH Draft Released
According to ChainCatcher, a proposal titled "Confidential Wrapped Ethereum Privacy" has been published on the Ethereum Research Forum. The proposal introduces the concept of Confidential Wrapped Ethereum (cWETH), aiming to achieve privacy protection for ETH transactions at the application layer. cWETH combines the Twisted ElGamal elliptic curve commitment mechanism with the Diffie-Hellman protocol, and utilizes zk-SNARKs to verify transaction validity, enabling users to make peer-to-peer payments without disclosing balances or transfer amounts.
Compared to existing solutions, cWETH allows access to encrypted balances without solving the discrete logarithm problem, thereby improving efficiency. This solution is expected to evolve into a comprehensive confidential token standard (EIP).
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