phantom-connect

# Phantom Connect SDK Build wallet-connected Solana applications with the Phantom Connect SDK ecosystem. ## SDK Selection | Platform | SDK | Package | |----------|-----|---------| | React web apps | React SDK | `@phantom/react-sdk` | | React Native / Expo | React Native SDK | `@phantom/react-native-sdk` | | Vanilla JS / Vue / Angular | Browser SDK | `@phantom/browser-sdk` | ## Prerequisites 1. **Phantom Portal Account** — Register at [phantom.com/portal](https://phantom.com/portal) 2. **App ID** — Get from Portal → App → Set Up 3. **Allowlisted URLs** — Add domains and redirect URLs in Portal ## Auth Providers | Provider | Description | Requires appId | |----------|-------------|----------------| | `"injected"` | Phantom browser extension | No | | `"google"` | Google OAuth (embedded wallet) | Yes | | `"apple"` | Apple ID (embedded wallet) | Yes | ## Critical Rules 1. **Always use `signAndSendTransaction`** — `signTransaction` and `signAllTransactions` are NOT supported for embedded wallets 2. **Always use `LAMPORTS_PER_SOL`** from `@solana/web3.js` for amount conversion — never hardcode `1000000000` 3. **Wrap all async SDK calls in try-catch** — users can reject prompts at any time 4. **Check `isConnected` before signing** — verify wallet connection before any operation 5. **React Native: `react-native-get-random-values` must be the FIRST import** — before any other imports 6. **BrowserSDK must be a singleton** — create one instance per app, never multiple 7. **Impor...