Why did the Cash App bitcoin verification fail? Cash App bitcoin: In the case that you have never used a bitcoin wallet, the Bitcoin verification of your Cash App failed. The first thing you need to do is ensure that your email address and personal details are accurate. If they aren't, you can use another debit card to verify your account. In case this doesn't work, contact Cash Support. Here are some tips to get you through the process. Once you've figured out the reason for the failure, you can proceed with sending your first transaction. For more info visit us our blog: https://squarecashelp.com/blog/cash-app-bitcoins