what is zama_bounty_track fr?

Wrap Shield is a web app built on top of a blockchain project called Zama, which lets people work with cryptocurrency tokens whose balances stay private. Normally on a blockchain anyone can see how many tokens are in a wallet, but Zama's encrypted token standard hides that amount from everyone except the owner. This app makes that system usable by giving people a browsable list of token pairs and buttons to convert between the normal, visible version of a token and its private, encrypted version. The app runs on a test network called Sepolia, which is a safe practice version of Ethereum that uses fake money, so nothing here involves real funds. Users can claim free test tokens from a faucet, then wrap them into the private version, or unwrap private tokens back into the regular kind. To see the actual balance of a private token, the owner has to sign a request proving they own the wallet, which then reveals the hidden number just to them. The list of available token pairs comes primarily from a smart contract that already exists on the network, but the app also lets a developer add extra pairs by editing a configuration file, without needing to publish anything new to the blockchain. This makes it easy to test new tokens locally before they are officially registered. The app is built with React Router for its interface, along with libraries called wagmi and viem for talking to the blockchain, and Zama's own software kit for handling the encryption and decryption steps. Styling uses Tailwind CSS and a component library called shadcn UI, and the whole thing is deployed on Vercel. Getting it running locally just requires installing dependencies with npm and starting a development server.