The Interfold FOLD

The Interfold is an open-source protocol and distributed network for confidential coordination. It allows multiple independent parties to contribute private inputs to a shared computation without exposing the underlying data or handing control to a single operator. The source material does not state who built it or when it launched.

Computation happens inside what the protocol calls Encrypted Execution Environments, or E3s. Multiple parties submit private inputs into one of these environments, the computation runs without any single party or operator seeing the underlying data, and the result can be verified by others without revealing what produced it. The stated use cases are processes where the inputs themselves are sensitive: secret ballots, sealed-bid auctions, confidential analytics, and similar multiparty tasks.

This is infrastructure for a computation technique, not a service with its own user-facing product — what it enables depends entirely on who builds applications on top of E3s, and the source gives no detail on adoption, audits, or which applications (if any) are live. It is deployed on a single chain, Ethereum, which means its security and availability inherit Ethereum's own constraints rather than spreading risk across multiple networks. Nothing in the source describes a token utility, a fee mechanism, or revenue accrual to FOLD, so no claim about value capture can be made here. Classification by data providers as privacy infrastructure describes a category, not a guarantee that any given deployment of E3s is correctly implemented or free of the operational and cryptographic risks inherent in confidential computation generally.