Tangem WalletConnect connects a Tangem hardware wallet to Onchain through WalletConnect, allowing you to use Onchain on Ethereum Mainnet, approve Permit2, and sign an off-chain authorization. The signing step costs you zero gas because the server wallet pays settlement gas. Try Onchain at onchaindiagnois.com. Tangem WalletConnect: What You Need to Know Tangem WalletConnect is the connection...