If you're having trouble completing 2-step verification to sign in to your account, make sure your mobile device software and Coinbase app up to date. If you're using a browser to sign in, make sure you're using the latest version of Chrome. Clearing your cache and restarting your browser can also help.How do I start using Coinbase?Here's how to begin.Download the Coinbase app for iPhone or Android.
Open Coinbase and tap “Get Started.”
Create an account with your email address and tap “Start.”
Verify your email by tapping a link that was sent to your inbox.
Enter your phone number and verify it by entering a code that was texted to you.