Define Your Goals
What type of wallet? (Hot vs. Cold, Mobile, Web, Desktop, Hardware)
Which cryptocurrencies will it support?
Choose a Tech Stack
Frontend: React, Flutter, or native frameworks (iOS/Android)
Backend: Node.js, Python, or Go
Blockchain libraries: Web3.js, Ethers.js, BitcoinJS, etc.
Design the Wallet Interface
User-friendly UI/UX
Dashboard, send/receive functionality, QR code scanner, etc.
Develop Key Features
Wallet creation and recovery (seed phrase generation)
Private/public key generation
Transaction signing and broadcast
Multi-currency support (optional)
Integration with blockchain nodes or APIs
Security Implementation
Encrypt private keys locally
Implement 2FA or biometric login
Secure API communication (HTTPS, JWT, etc.)
Test Thoroughly
Unit tests, security audits, and stress testing
Use testnets (like Ropsten, Goerli) for trial runs
Deploy and Distribute
Launch on App Store/Play Store (if mobile)
Host on secure servers (if web-based)
Provide documentation and user support
Maintain and Update
Fix bugs, improve security
Add new features or coin support