What are benefits of venmo?
Although Venmo is usually intended to be used in conjunction with bank accounts, it is possible to fund your Venmo account without using a regular bank account. You can take advantage of the benefits and convenience of Venmo's secure payment platform by using debit cards, prepaid or gift cards, or peer-to-peer transfers. When adding money to your Venmo account, make sure to always take the appropriate precautions and confirm the legality of any cards or transfers you utilize. With these additional options at your disposal, you can easily manage your money and take advantage of smooth Venmo transfers.
Source: https://themoneyflow.net/how-to-add-money-to-venmo-without-bank-account/