CryptoVault - Multi-Signature Wallet

📌 Overview

This project is a CryptoVault for Ethereum, enabling multiple owners to approve transactions before execution. It enhances security by requiring multiple signatures, preventing unauthorized access to funds.

✨ Features

• Create secure transactions requiring multiple approvals.
• Send ETH and interact with smart contracts.
• Add or remove signers dynamically.
• Transparent transaction history.

🏗️ Tech Stack

• Solidity: Smart contract development
• Ethers.js: Frontend interaction with Ethereum
• Hardhat: Development and testing framework
• React.js: User-friendly UI (if applicable)

🚀 Installation & Setup

1️⃣ Clone the Repository

git clone https://github.com/Kayleexx/CryptoVault.git
cd CryptoVault

2️⃣ Install Dependencies

npm install

3️⃣ Compile Smart Contract

npx hardhat compile

4️⃣ Run Tests

npx hardhat test

🎯 Usage Guide

Creating a New Transaction

1. Enter the recipient address.
2. Input the amount of ETH.
3. (Optional) Enter transaction data in hex format for contract interactions.
4. Click Submit, and signers must approve before execution.

Transaction Data Example

For an ERC20 token transfer:

0xa9059cbb0000000000000000000000001234567890abcdef1234567890abcdef123456780000000000000000000000000000000000000000000000000000000000000186a0

🔑 Smart Contract Functions

Function	Description
submitTransaction	Creates a transaction request.
confirmTransaction	Approves a transaction.
executeTransaction	Executes after required approvals.
revokeConfirmation	Revokes approval if not yet executed.
addSigner	Adds a new wallet signer.
removeSigner	Removes a wallet signer.

Output