NEW YORK : Block will pay a $40 million civil fine and hire an independent monitor to settle charges by New York's financial services regulator that it failed to adequately police and stop money laundering on its Cash App mobile payment service. Announcing the fine on Thursday, New York's Department of Financial Services faulted "critical gaps" in the Bank Secrecy Act, anti-money laundering and know-your-customer programs at Block, led by Twitter co-founder Jack Dorsey and formerly known as