Unity + Node.js Algorand Wallet Linking with Pera Wallet

This repo demonstrates how to securely link and verify Algorand wallets from a Unity game using Pera Wallet deep linking (mobile) or QR codes (desktop).

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💡 Why?

The official Unity SDK for Algorand is deprecated. WalletConnect v2 integration is non-trivial. This method is lightweight, secure, and works without WalletConnect or custodial wallets.

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🔁 How it Works

1. User enters their wallet address in Unity.
2. Game generates a zero ALGO transaction request using:
   • Deep link on mobile
   • QR code on desktop
3. User signs the transaction with Pera Wallet.
4. Game calls your Node.js API to confirm ownership by:
   • Fetching recent transactions via indexer
   • Looking for a note {appName}-{userId} within last 5 minutes