Inadequate preparation for the transition "could have an adverse impact on the safety and soundness of regulated institutions."
The Department of Financial Services is challenging the Trump administration's move to allow fintech firms to apply for national bank charters.
A New York State regulator says the bank's deficient controls facilitated $10 billion in sham trades involving Russian investors.
The agreement is designed to ease regulators' concerns over the Symphony service's retention of records.
The settlement is the largest among the five banks that have admitted LIBOR-rate misconduct.
After a year-long review, New York proposes regulations for virtual-currency firms.