Buzzfeed reporter Ryan Mac explains how he and colleagues tracked down a Venmo account belonging to President Joe Biden, using a feature that connects your account to your contacts like family and friends. The ability to easily find connected accounts presents a privacy concern, Mac says.

Venmo is trying to be social but it lacks features to distance yourself from the people in your immediate circle. The app allows you to make transactions private. But cybersecurity and privacy expert Theresa Payton, who served as chief information officer under former President George W. Bush, has some concerns.

Payment apps like Venmo, Cash App and Zelle have become the go-to way to handle casual transactions like splitting a brunch check or helping a roommate cover a bill. But think before you click, because scammers are also using these apps for easy cash. Finance education expert Ray Martinez of EverFi shares some tips on how to avoid getting taken.