TechFlow news, on June 18, a proposal titled "Confidential Wrapped Ethereum Privacy" was 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 scheme with the Diffie-Hellman protocol and uses zk-SNARKs to verify transaction validity, enabling users to conduct peer-to-peer payments without revealing balances or transfer amounts. Compared to existing solutions, cWETH allows access to encrypted balances without solving the discrete logarithm problem, improving efficiency. This solution has the potential to evolve into a complete confidential token standard (EIP).
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