Cash App, introduced in 2013, allows users to send and receive money instantaneously among themselves and to buy stocks and Bitcoin. As of December, Cash App had 56 million active transacting accounts and $248 billion in inflows during the previous four quarters, the company said. (Merchants are considered customers at Square, while users are considered customers at Cash App.) Cash App is not a bank, but it uses external banking partners to conduct various services. On March 29, Sutton Bank settled a consent order with the Federal Deposit Insurance Corp. that echoed the whistleblowers' allegations.

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