The Consumer Financial Protection Bureau (CFPB) has sued the operator of Zelle—as well as Bank of America, JPMorgan Chase, and Wells Fargo—for failing to protect consumers on the peer-to-peer payment network.

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

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.