IMF Urges Banks to Invest In Cryptocurrencies   A June 2017 staff discussion note from the International Monetary Fund (IMF) suggests that banks should consider investing in cryptocurrencies more seriously than they have in the past. According to the IMF staff team responsible for the note, including prominent economists such as Dong He, Ross Leckow, and Vikram Haksar, "rapid advances in digital technology are transforming the financial services landscape." These members of the IMF feel that such transformations generate new…