To set up a Coinbase wallet, follow the steps below:
Follow the instructions here
and confirm your account.
Step 2: Log into your Coinbase account and click Send/Receive in the top right corner of your screen.
Step 3: Click Receive in the in-app module.
Step 4: Select Bitcoin or Ethereum from the Asset field.
Step 5: Copy the alphanumeric address and paste that address into the Where to Deposit field on your Brex dashboard.
Step 6: Complete the transaction.