Here’s how to connect Tangem Wallet to PancakeSwap via WalletConnect protocol:
Open https://pancakeswap.finance and tap Connect in the upper-right corner of the page.
Select the connection via WalletConnect.
Tap Connect on the screen that appears.
When it opens the Tangem Wallet app, tap the card to the phone, enter the access code, and press Start.
Go back to https://pancakeswap.finance.
You are connected. Now, you can work with your cryptocurrency on this DEX.
To complete the session, click on the wallet icon in the upper-right corner at https://pancakeswap.finance and press "Disconnect" or end your session in the Tangem app.
Following the same principle, you can connect to any DeFi and work with your crypto-assets.
The Tangem app asks you to sign any transaction you run on dApp each time.