Bitcoin law has been met with skepticism and worry by essentially every financial institution on the planet, starting with the World Bank and the International Monetary Fund. Bitcoin’s volatility, exemplified by its plunge to about $30,000 this week, after grazing $65,000 in April, has been lambasted as a recipe for financial disaster. Citizens will be allowed to pay taxes in a currency that might depreciate in hours, suddenly draining the government’s coffers