The CFPB is suing the fintech firm Early Warning Services — the bank-owned company that runs Zelle — as well as JPMorgan Chase, Bank of America, and Wells Fargo, claiming that customers of the banks lost more than $870 million over Zelle's seven-year existence.

The Consumer Financial Protection Bureau (CFPB) has filed a lawsuit against Zelle and three banks that own it — Wells Fargo, Bank of America, and JPMorgan Chase — claiming they failed “to protect consumers from widespread fraud.

Government watchdog claims Americans lost hundreds of millions to fraud related to the bank-operated mobile payments network.