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How to use WalletConnect on Tangem Wallet

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WalletConnect is a protocol providing connection of Tangem Wallet to different dApps (decentralized applications).

WalletConnect helps to send tokens for staking, swap crypto, add crypto to 
liquidity pools, buy or sell NFT, etc.

WalletConnect in Tangem Wallet supports nearly all popular EVM networks, including Ethereum, Polygon, BNB Smart Chain, Avalanche C-Chain, RSK, Fantom Opera, Ethereum Classic, Arbitrum, Gnosis, Ethereum Fair, Ethereum PoW, Optimistic Ethereum, Kava EVM, and Cronos.

Let's view PancakeSwap (a Binance Smart Chain-based platform for swapping and farming BEP-20 tokens) and OpenSea (an NFT marketplace).

PancakeSwap

To connect Tangem Wallet to PancakeSwap via WalletConnect protocol:

1. Open https://pancakeswap.finance and press the "Connect" button in the upper right corner of the screen.

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2. Select the connection via WalletConnect.

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3. On the screen that appears, press the "Connect" button.

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4. After the automatic switch to the wallet, tap the card to the phone, enter the access code.

5. Press "Start".

6. Go back to https://pancakeswap.finance.

You are connected. Now you can work with your cryptocurrency on this DEX.

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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 wallet.

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By following the same principle, you can connect to any DeFi and work with your crypto-assets.

Tangem app asks you to sign any transaction you are running on dApp each time.  

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OpenSea

1. Open https://opensea.io, click on the three dashes in the upper right corner, press the "Connect wallet" button.

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2.  Choose "WalletConnect".

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3. On the screen that appears, press the "Connect" button.

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4. Open Tangem app, press "Start".  

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5. Go back to OpenSea, press the "Accept and sign" button.

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6. Go back to Tangem app, press "Sign". 

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You are connected. You can now buy, sell, and create NFT on OpenSea.

To complete your session, click on the three dashes in the upper right corner of OpenSea, click on "My wallet". On the screen that appears, click the "My wallet" button again and "log out".  

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