Cash app has many features including transaction, chat, block, etc. you can block someone on Cash app without phone number if you don’t want any type of transaction from that particular person. You have to simply click on the menu icon and then select the search people option. Now, tap on the name of that person to block them. Open that person’s profile and select the block option. https://www.contact-customerse....rvice.net/cash-app-c