🔒 Security & Privacy Advanced

Fhevm

by zama-ai

Build Privacy-Preserving Smart Contracts with FHE

A Rust-powered framework enabling encrypted computation on blockchain, allowing smart contracts to process sensitive data without exposing it.

25,981 Stars
2,406 Forks
25,981 Watchers
89 Issues
🔒

About This Project

FHEVM revolutionizes blockchain privacy by bringing Fully Homomorphic Encryption directly into smart contract development. This framework allows developers to build decentralized applications where sensitive data remains encrypted throughout the entire computation lifecycle, eliminating the transparency trade-off inherent in traditional blockchain systems.

Built with Rust for performance and security, FHEVM provides a complete toolkit for integrating FHE operations into your blockchain applications. Developers can perform complex computations on encrypted integers, booleans, and other data types without ever decrypting them on-chain, opening new possibilities for confidential DeFi, private voting systems, and secure healthcare applications.

The framework abstracts away the cryptographic complexity of FHE, offering intuitive APIs that feel familiar to Solidity developers while maintaining the security guarantees of homomorphic encryption. With support for encrypted arithmetic, comparisons, and conditional logic, you can build sophisticated privacy-preserving applications without becoming a cryptography expert.

Backed by a thriving community of over 25,000 developers and extensive documentation, FHEVM represents the cutting edge of privacy technology in Web3, making confidential smart contracts accessible to the broader blockchain development ecosystem.

Key Features

  • Native FHE operations on encrypted data types within smart contracts
  • Rust-based implementation for high performance and memory safety
  • Developer-friendly APIs abstracting complex cryptographic primitives
  • Support for encrypted integers, booleans, and comparison operations
  • Full-stack integration with existing blockchain development workflows

How You Can Use It

1

Confidential DeFi protocols with hidden transaction amounts and balances

2

Private on-chain voting and governance systems without revealing individual votes

3

Secure healthcare data processing with HIPAA-compliant encrypted medical records

4

Confidential auctions and sealed-bid marketplaces on blockchain

Who Is This For?

Blockchain developers building privacy-focused dApps, cryptography researchers, DeFi protocol engineers, and enterprise blockchain architects requiring confidential computation