What do you do if you can't sign in to Coinbase?

Coinbase Sign in is an American publicly traded company that deals in cryptocurrency. The company was
founded in June 2012 by Brian Armstrong and Fred Ehrsam in San Francisco, California, US So, here we will be discussing the resolutions of Coinbase Sign in errors for both computer and mobile devices. Read More : Metamask Sign in to a Dapp with your public address, the Dapp needs to verify that you are the account owner. Every public key has a private key associated with it. But you can't just hand over your private key over to someone else.