🔒 SecureBlock Vault

Military-Grade Encrypted Storage · Blockchain Verified · Your Data, Your Control

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✨ What is SecureBlock Vault?

SecureBlock Vault is a privacy-first decentralized storage solution combining military-grade encryption with blockchain technology. Unlike traditional cloud storage, your files are encrypted before leaving your device — and only you hold the keys.

Your files never see the internet unencrypted. Ever.

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🛡️ Why Choose SecureBlock?

• 🔐 True Privacy

  • Zero-Knowledge Architecture — We never see your files or encryption keys
  • Client-Side Encryption — AES-256 encryption happens in your browser
  • Your Keys, Your Control — Complete data sovereignty

• ⛓️ Blockchain Verified

  • Immutable Records — File metadata stored on Ethereum blockchain
  • Transparent Audit Trail — Every operation permanently recorded
  • Decentralized Storage — IPFS network ensures data availability

• 🎨 Premium Experience

  • Beautiful Interface — Professional, intuitive design
  • Real-Time Updates — Instant file synchronization
  • Mobile Responsive — Works perfectly on all devices

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🚀 Quick Start

1. Install & Setup

# Smart Contracts
cd smart_contract
npm install

# Frontend
cd ../frontend
npm install
2. Deploy & Run
bash
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# Compile and deploy contracts
npx hardhat compile
npx hardhat node
npx hardhat run scripts/deploy.js --network localhost

# Start application
npm run dev
3. Connect & Use
Open http://localhost:3000

Connect MetaMask to Hardhat Network (Chain ID: 31337)

Start uploading files securely!

🏗️ Technology Stack
Layer	Technology	Purpose
Frontend	Next.js, Tailwind CSS	Beautiful, fast interface
Blockchain	Solidity, Hardhat	Smart contracts & deployment
Encryption	Web Crypto API	Client-side AES-256 encryption
Storage	IPFS	Decentralized file storage
Wallet	MetaMask, Ethers.js	Secure authentication

📁 Project Structure
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secureblock-vault/
├── frontend/              # Next.js application
│   ├── components/       # React components
│   ├── pages/            # App pages (dashboard, upload, etc.)
│   ├── hooks/            # Custom hooks
│   └── utils/            # Utilities
├── smart_contract/       # Ethereum contracts
│   ├── contracts/        # Solidity code
│   ├── scripts/          # Deployment scripts
│   └── test/             # Contract tests
└── assets/               # Documentation assets (images, etc.)
💡 How It Works
Secure Authentication
Connect your MetaMask wallet for decentralized identity.

Client-Side Encryption
Files are encrypted with AES-256 in your browser before upload.

Decentralized Storage
Encrypted files are stored on IPFS — no single point of failure.

Blockchain Verification
File metadata and ownership records are permanently stored on Ethereum.

Private Access
Only you can decrypt and access your files using your wallet keys.

🎯 Features
✅ Secure File Upload with drag-and-drop

✅ Real-Time Dashboard with file statistics

✅ Advanced File Management with search & filter

✅ Encrypted Profile System with security questions

✅ Professional UI/UX with smooth animations

✅ Mobile-Responsive design

🔧 For Developers
Running Tests
bash
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# Smart contract tests
npx hardhat test

# Frontend development
npm run dev
Building for Production
bash
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npm run build
npm start
🤝 Contributing
We welcome contributions! Whether you're fixing bugs, adding features, or improving documentation, your help makes SecureBlock Vault better for everyone.

Get involved:

Fork the repository

Create a feature branch

Make your changes

Submit a pull request

Thank you for using SecureBlock Vault! 🔒