You must ensure that the Cash App accounts you buy are real verified accounts from sellers/people with a good reputation. With an account upload and correct verification (like a number, email, private data), you would find your transactions way more secure. Secure money transfers, unlimited upload and brokerage services to users with verified accounts. The terms of Cash App must be adhered to, and you should take into account that with unverified accounts, access may be restricted from additional features and services.