Vitalik enthusiastically praises a new technology he has waited ten years for: privacy protocol Interfold perfectly achieves "anonymous on-chain voting," combining ZK and FHE

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Ethereum co-founder Vitalik Buterin has once again named and praised a new technology! Today (the 28th), he gave a strong endorsement to the privacy coordination protocol "Interfold," stating bluntly that this is the ultimate form of MACI (Minimum Anti-Collusion Infrastructure) that he has been calling for over nearly a decade. (Background: Ethereum weakens, Vitalik pivots to writing novels, ETH crashes amid personnel departures) (Context: Vitalik urgently calls out to ETH whales: the Foundation is just a node, Ethereum's value rests on your shoulders) Ethereum co-founder Vitalik Buterin (V God) published a long post on social media today (May 28, 2026), strongly recommending to the crypto community a new privacy infrastructure called "Interfold," and stating bluntly: "This is what I've been yelling at people to build with the MACI ideas for nearly a decade, and now it has finally arrived in a generalized form." More people should know about the Interfold. It's basically what I've been yelling at people to build with the MACI ideas ( https://t.co/u9HcGyDLD0 ) for almost a decade, and now it exists, in a generalized form. The idea is: a privacy protocol optimized for things like voting… https://t.co/sXPOHW8en6 — vitalik.eth (@VitalikButerin) May 28, 2026 Interfold (formerly known as Enclave) is an open-source "Confidential Coordination Protocol" developed by Gnosis Guild, a renowned team in the Ethereum ecosystem. It is particularly important to note that it is not a hype project that issues native tokens, but rather focuses on solving the underlying infrastructure problem on blockchains where "privacy and verifiability" cannot coexist. Interfold cleverly combines the three most cutting-edge cryptographic technologies in Web3 today: - ZK-SNARKs (Zero-Knowledge Proofs): Used to prove user eligibility for participation and the correctness of computations. - FHE (Fully Homomorphic Encryption): Allows the system to perform data computations directly in an "encrypted state," with no decryption required throughout the process. - Threshold Cryptography: Through a distributed network of Ciphernodes that jointly hold decryption authority, avoiding single-point trust collapse. This mechanism realizes the ideal model of "private inputs → collective results." Users can submit encrypted votes or bids on-chain, the system computes the results inside a black box (encrypted environment), and finally only publishes the final vote totals or winning bidders, while no one can peek into the original data during the process. For scenarios that desperately require privacy, such as DAO governance, Sealed-bid Auctions, or coercion-resistant voting, Vitalik gave Interfold extremely high praise and listed its four major security guarantees: - Unconditional anonymity: If ZK-SNARKs are used to prove voting eligibility, the voter's identity can achieve absolute concealment. - Strong censorship resistance: Voting data can be published directly on the Ethereum chain, and through cryptographic proofs that "all published votes have been included in the computation," organizer cheating is eliminated. - Absolutely correct results: Through "ZK over FHE" technology, the correctness of output results can be guaranteed. - Coercion resistance: As long as the distributed node network satisfies the "M-of-N honest majority" condition, the system can maintain liveness and prevent voters from being coerced into surrendering their voting records. Although the technology is exciting, Vitalik also pragmatically pointed out the current technical bottlenecks. He stated that the current "ZK over FHE" technology is only suitable for simple additive tallying. If application scenarios involve multiplication or other more complex data operations, the current computational costs remain prohibitively expensive. However, the community is already working on developing alternative solutions based on Optimistic computation or Slashing-based mechanisms to solve this problem. At the end of his post, Vitalik wrote with great anticipation: "Of course, in the long run, the most ideal scenario is that we can completely crack the 'Obfuscation' technology, which would allow us to completely escape dependence on M-of-N committees." It is reported that Interfold has currently launched the "Launch Primer" series of activities, gradually explaining the system's operations to the public and opening up participation. Although no token has been issued yet, under V God's strong endorsement, the protocol's subsequent development in the FHE privacy track has become a focal point of attention across the entire network.

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