If your Zucoins Wallet is not successfully linking to Zutopia, this is most often related to the wallet verification process not completing, or to a wallet that has been reset.
Important Notes
Linking requires both the Zucoins Wallet and Zutopia to complete a message-signing verification process; ensure you complete every step shown in the app rather than closing it partway through.
Troubleshooting
Problem: Zutopia and Zucoins shows a zero balance after attempting to link
Cause: Clearing your browser history on Android can reset your Zucoins Wallet and Zutopia app, breaking the existing link between them.
Solution: Restore your Zucoins Wallet from your backup, then tap the trade button within Zucoins to start the wallet verification process with Zutopia again.