Blockchain wallet development involves creating secure digital wallets that enable users to store, send, and receive cryptocurrencies and tokens. These wallets interact with blockchain networks to facilitate transactions while ensuring privacy and security. There are various types of blockchain wallets, including hot wallets (internet-connected) and cold wallets (offline). Developers focus on creating user-friendly wallets with features like multi-currency support, private key management, and encryption. Blockchain wallet development is essential for enabling users to securely interact with decentralized applications, exchanges, and services.