The new privacy solution draft cWETH for Ethereum has been released, allowing shielded transactions without modifying the protocol layer.

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According to Deep Tide TechFlow news, on June 18, a proposal titled "Confidential Wrapped Ethereum Privacy" was released on the Ethereum research forum. This proposal introduces the concept of confidential wrapped Ethereum ( cWETH ), aiming to achieve privacy protection for ETH transactions through the Application Layer. cWETH combines the Elliptic Curve Twisted ElGamal commitment mechanism and the Diffie-Hellman protocol, utilizing zk-SNARKs to verify transaction legitimacy, allowing users to make peer-to-peer payments without disclosing their balances or transfer amounts. Compared to existing solutions, cWETH improves efficiency by accessing encrypted balances without solving the discrete logarithm problem. This solution is expected to develop into a complete confidential token standard ( EIP ).

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