Initially viewed with curiosity and amusement, crypto-currencies are becoming less and less laughable and more and more frightening. The role of the Office of the Superintendent of Financial Institutions (OSFI) is to protect the safety and soundness of the Canadian financial system, with the interests of ordinary depositors at heart. In its first annual RiskWatch released Thursday, OSFI begins its list with two well-known fears, the danger of a major cyberattack and the housing market downtur...