Fhenix Fully Homomorphic Encryption Co-Processor CoFHE Launches Mainnet

By: x.com|10/21/2026 11:46:16

The privacy computing protocol Fhenix has announced the official launch of its fully homomorphic encryption (FHE) co-processor CoFHE on the mainnet. The CoFHE mainnet supports Ethereum and Arbitrum, allowing developers to write contracts in Solidity on existing EVM chains, with FHE computations performed by an off-chain co-processor. Initially, it will be a partner mainnet, and new DApps must be reviewed by the Fhenix team and have an active social media account to be whitelisted for deployment. Before gaining access, developers can use the same FHE.sol library and SDK for development on the Ethereum Sepolia, Arbitrum Sepolia, and Base Sepolia testnets. Additionally, Fhenix has launched the Claude Code plugin Fhenix Toolkit, which supports writing, testing, and reviewing CoFHE code based on the latest FHE.sol and SDK, and includes a checklist for over 30 common errors.

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