Almost three-quarters of U.S. consumers use mobile payment systems like Zelle, Venmo and Cash App, but regulation is limited.

A 1099-K form is sent to self-employed people who use third-party payment apps. Its threshold has been lowered from $20,000 to $5,000.

Seven banks, including Wells Fargo and Capital One, are launching a competitor to services like Apple Pay and PayPal later this year.

With new fintech comes new fraud.

The threshold used to be much higher.

It can feel safer to send money with a mobile peer-to-peer app. Usage is expected to keep growing after the economy recovers.

Venmo and Zelle look like they should be competitors. But the two payment apps serve very different audiences.

A look at the big banks' answer to Venmo.