To use the Cash App to buy bitcoin, you first need to get Cash App Bitcoin verified. Visit the Cash App's website and enter your Bitcoin address to get verified. Once you've done this, you will need to confirm your transaction on the Bitcoin blockchain. This can take up to thirty minutes. Once the transaction has been confirmed, you can use the Cash App to buy and sell Bitcoin. If you have the Cash App on your mobile phone, you can enter your Bitcoin address on the Bitcoin tab.

Following are the steps you need to take for Cash App bitcoin verification:

• To get your bitcoin verified on Cash App, you must have an active account. 
• Go to your profile page and click the button that says "Bitcoin," and enter your SSN. 
• Then, take a picture of your face, which should be clear and well-lit. 
• You will need to verify your identity before you can withdraw your bitcoin. 
• Then, you will need to wait a few hours until your transaction is processed.

Once you've successfully registered, you'll need to verify your identity using the Cash App. This process is quick and easy. You'll be asked for your SSN, address, and email address. Once you've verified these details, you'll be able to send Bitcoin and other cryptocurrencies from your Cash App account. You'll need to scan your ID in a well-lit area to verify your identity.