[ad_2][ad_1] Vitor Constancio, Vice – President, European Central Bank September 2017 | "Bitcoin is a kind of tulip, it's really a tool of speculation for those who want to bet on something that can go up and down 50 or 40 percent in a few days, but certainly not a …
Read More »Bitter bitcoins: like cryptocurrency tanks, these experts are having the last laugh
