Flint Wallet is a non-custodial mobile wallet designed for Cardano users. It allows users to securely store and manage their ADA tokens on their mobile devices. Flint Wallet interacts with the Cardano blockchain by using Cardano's official APIs to retrieve blockchain data and broadcast transactions. Users can use Flint Wallet to send and receive ADA, check their transaction history, view their ADA balance, and track ADA market prices. Flint Wallet also includes features such as biometric authentication and seed phrase backup, ensuring the security of users' ADA holdings.