If you're sending DOOR Coin from DoorWallet to your Coinbase Wallet for the very first time, you'll have to select Ethereum as the token you'd like to receive. Since DOOR Coin is an ERC-20 token on the Ethereum blockchain, DOOR Coin will share the same wallet address as Ethereum in your Coinbase Wallet. Choosing Ethereum as the receiving token is only required for the first transfer since Coinbase Wallet does not have the option of loading a custom token. Subsequent transfers can be done by choosing DOOR in your wallet, then copying the wallet address from there. In the example below, we demonstrate the process of receiving DOOR Coin for the first time by selecting the Receive option, then choosing Ethereum, and finally copying the Ethereum wallet address. This address is what you will copy and paste into the Door Wallet.