The Bank of England (BoE) has been active in researching the benefits of blockchain; it says the technology has the potential to save banks tens of billions of dollars in operating costs; the Bank of England governor Mark Carney, has cited securities settlement as one area where blockchain can provide cost savings and efficiencies; the BoE is working on initiatives for securities settlement and also researching blockchain through numerous other channels including involvement with PwC, various Blockchain consortium groups and membership in the Hyperledger. Source