Crypto Wallet with Transaction History

Overview

This project is a beginner-friendly cryptocurrency wallet simulation developed using Java. The system allows users to create wallets, send and receive cryptocurrency, maintain balances, and track transaction history.

The project demonstrates:

• Cryptocurrency wallet functionality
• SHA-256 hashing
• Digital transactions
• Transaction history management
• Blockchain-inspired concepts

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Features

• Create crypto wallets
• Generate wallet addresses
• Send cryptocurrency
• Receive cryptocurrency
• Track wallet balances
• View transaction history
• Console-based implementation

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Technologies Used

Technology	Purpose
Java	Application Development
SHA-256	Wallet Address Hashing
ArrayList	Transaction Storage
VS Code / IntelliJ	Development Environment

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Project Structure

Crypto-Wallet-With-Transaction-History/
│
├── src/
│   ├── Wallet.java
│   ├── Transaction.java
│   ├── WalletService.java
│   ├── StringUtil.java
│   └── Main.java
│
├── images/
│   └── crypto-wallet-with-transaction-history-output.png
│
├── README.md
└── .gitignore

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How It Works

1. Users create wallets
2. Unique wallet addresses are generated
3. Cryptocurrency transactions are performed
4. Balances are updated automatically
5. Transactions are stored and displayed

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Features Demonstrated

• Wallet Creation
• Cryptocurrency Transactions
• Transaction History
• SHA-256 Hashing
• Balance Management

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How to Run the Project

Step 1

Clone repository

git clone https://github.com/soundarya966/Crypto-Wallet-With-Transaction-History.git

Step 2

Open project in:

• IntelliJ IDEA
• VS Code

Step 3

Compile Java files

Step 4

Run:

Main.java

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Learning Outcomes

This project helps understand:

• Cryptocurrency wallet systems
• Digital transactions
• Blockchain-inspired systems
• Secure hashing
• Java object-oriented programming

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Future Enhancements

• GUI using Java Swing
• Database integration
• Blockchain integration
• QR code wallet addresses
• User authentication
• Smart contract support

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License

This project is developed for educational purposes.