Those ideas are typical tools that are at disposal of either the central bank or the supervisor or macroprudential authorities and we might have to take a look whether they are also applicable to those virtual currencies and whether the time has come to go that way.
2  Kristopher Gerardi, Adam Hale Shapiro, and Paul Willen, "Subprime Outcomes: Risky Mortgages, Homeownership Experiences, and Foreclosures,” Federal Reserve Bank of Boston Working Paper 07-15, 2007. 3  2006 Home Mortgage Disclosure Act data. 4  Federal Reserve Board staff calculations based on data from First American LoanPerformance.