This is a quick guide to sell Dai, USDC, Tether, or other ERC20 tokens listed on LocalCoinSwap....STEP 1: Register or Log in to your account. Registering an account on LocalCoinSwap is quick and easy. STEP 2: Search for Offers. STEP 3: Open a Trade. STEP 4: Fund Escrow and Request Payment. STEP 5: Mark Payment as Received.