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TwoFactorAuth Smart Contract

This project implements a blockchain-based Two-Factor Authentication (2FA) system using a smart contract deployed on the Ethereum blockchain. It enhances user authentication security by combining blockchain technology with One-Time Passwords (OTPs).

Overview

The TwoFactorAuth smart contract provides functionalities for user registration, OTP generation, and user authentication. It leverages custom error handling to manage various error states effectively.

Usage

  1. Deploy the Contract: Run the deployment script to deploy the contract to your desired network.
  2. Interact with the Contract: Use the JavaScript interaction script to register users, generate OTPs, and authenticate users.

Installation and Setup

  1. Clone the repository:

    git clone (https://https://github.com/wali-hu/Blockcahin-Based-Two-Factor-Authentication)
cd Blockcahin-Based-Two-Factor-Authentication

  2. Install dependencies:

    npm install

  3. Compile the smart contract:

    forge build

  4. Deploy And Test the contract:

    forge script DeployTwoFactorAuth.s.sol
    forge test

  5. Run the interaction script:

    node interact.js

License

This project is licensed under the MIT License.

Acknowledgements

  • Forge: For smart contract development and testing.
  • Ethers.js: For interacting with Ethereum from JavaScript.