By Chris Brummer and Thomas McKinless and Jinitzail Hernandez and Michael Shaw

Whether you’re paying a friend for drinks on Venmo or logging in to your online banking, you’ve probably engaged with fintech. Fintech is the entire field of up-and-coming financial technologies that are changing the way business is done around the world and leaving regulators in the dust. Georgetown University professor Chris Brummer is here to break down this rapidly evolving field, and explain how Congress is still working out its role in regulating it.