On the other hand, however, a number of new problems are emerging, including personal data ownership, digital economic-financial transaction taxes, financial services by non-financial entities (shadow banking), the spread of privately created currencies (crypto currencies), and regular cyberattacks.
Since the UK referendum, there has been a material increase in the number of authorisation 3/5  BIS central bankers' speeches  queries from UK-authorised entities. Many of these engagements have been preliminary in nature.