COTI V2 Documentation
  • Welcome
  • Networks
    • Faucet
    • Contracts Addresses
    • Adding the COTI Network to Metamask
  • How COTI Works
    • Introduction
      • EVM Introduction
      • Conceptual Overview
      • Use Cases and Applications
      • COTI Architecture
    • Advanced Topics
      • Garbled Circuits
      • AES Keys
      • Precompiles
      • Whitepaper
      • COTI vs others
  • Build on COTI
    • Core Concepts
      • Account Onboarding Procedure
      • Private Data Types
      • Supported Operations on Private Data Types
    • Quickstart
    • Guides
      • Basic Private Smart Contract
      • Account Onboard
      • Sending a Transaction with Encrypted Inputs
      • Resolving a Transaction's Encrypted Outputs
      • Writing a Private Smart Contract
      • Dos and Don'ts
        • Proper Use of Types
        • No Constant/Immutable Secret Types
        • No Public Contract Variables
      • Best Practices
        • Careful Onboarding
        • Careful Decrypting
        • Don't loop over an array without an index
        • Check Overflow
    • Tools
      • TypeScript SDK
      • Ethers.js
      • Python SDK
      • Web3.py
      • Contracts Library
        • MPC Core
        • Data Privacy Framework
        • Tokens
          • Private ERC20
          • Private ERC721
        • Onboard
      • Hardhat
      • Remix Plugin
      • COTI MetaMask Snap
      • Developer Sandbox
  • Running a COTI Node
    • COTI Node Ecosystem Litepaper
  • COTI Bridge
    • Swap COTI V1 Funds to COTI V2
  • Support and Community
    • Glossary
    • Telegram
    • Discord
    • GitHub
    • X
    • YouTube
  • COTI Builders Program
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  • Clone, Build & Test
  • Installation
  • Hardhat (npm)
  • Usage

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Contracts Library

PreviousWeb3.pyNextMPC Core

Last updated 4 months ago

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is a library of smart contracts for COTI's GC technology, including MPC contract for secure computations, private ERC20 and ERC721 contracts, and test mocks for validation. These components enable privacy-focused and decentralized DeFi solutions.

Clone, Build & Test

Full instructions for building and testing the package locally are available in the

Installation

Hardhat (npm)

npm install @coti-io/coti-contracts

SDK versions < 1.0.0 are for use with the Devnet, versions >= 1.0.0 are for use with the Testnet

Usage

See the repository for code examples.

COTI Contracts
coti-contracts GitHub repository
coti-contracts-examples