Overview

fhEVM is a suite of solutions that enables confidential smart contracts on the EVM using Fully Homomorphic Encryption (FHE). This document provides a high-level overview of the fhEVM suite along with onboarding guidance tailored to specific audiences.

For dApp developers

The fhEVM Protocol provides a TFHE Solidity library for building confidential smart contracts, a fhevm.js Javascript library to enable front‐end FHE interactions, and a range of developer tools, examples, and templates to streamline the usage for developers.

Smart contract development

Repository	Description
fhevm	Solidity library for FHE operations (e.g., encryption/decryption, arithmetic) within smart contracts.
fhevm-hardhat-template	Hardhat template with scripts for compiling, deploying, and testing FHE‐enabled contracts.
fhevm-foundry-template - coming soon	Foundry template for building FHE smart contracts.
fhevm-contracts	Ready‐to‐use FHE smart contract example covering finance, governance, and ERC‐20 tokens use cases.

Frontend development

Repository	Description
fhevmjs	JavaScript library for client‐side FHE, enabling encryption, decryption, and data handling.
fhevm-react-template	React.js template to quickly spin up FHE‐enabled dApps.
fhevm-next-template	Next.js template for integrating FHE in server‐side rendered or hybrid web apps.
fhevm-vue-template	Vue.js template for creating privacy‐preserving dApps with encrypted data

Examples & Resources

Repository	Description
dapps	Sample decentralized applications demonstrating FHE with real‐world code.
Zama Bounty Program	Explore open challenges and submit contributions to earn rewards.
Awesome Zama	A curated list by the team at Zama of blog posts, libraries, research papers, and tutorials on Fully Homomorphic Encryption (FHE).

For network builders

To integrate FHE at the protocol level or operate an FHE‐enabled network, fhEVM offers the fhevm backend modules. These repositories include the foundational implementations that enables FHE in blockchain systems, ensuring that privacy remains at the core of your network architecture.

Repository	Description
fhevm-backend	Rust backend & Go‐Ethereum modules, enabling native or coprocessor‐based FHE.
fhevm-go	Go implementation of the FHE Virtual Machine
zbc-go-ethereum	Modified go-ethereum with enhanced FHE support