Blockchain wallet development involves creating secure digital wallets for storing, sending, and receiving cryptocurrencies and tokens. These wallets are critical for interacting with blockchain networks and decentralized applications (DApps). Developers focus on ensuring strong encryption, user-friendly interfaces, and compatibility with various blockchain networks. Wallets can be either custodial or non-custodial, with non-custodial wallets giving users full control over their private keys. Blockchain wallet development also includes features such as multi-currency support, transaction history tracking, and seamless integration with decentralized finance (DeFi) platforms.