The shared data of Bitfury’s blockchain analytics platform Crystal states that countries with the largest number of registered digital currency exchanges include the United Kingdom, United States, Hong Kong, and Singapore. The firm published its “Report on International Bitcoin Flows 2013–2019” on Sept. 9 in which it shares an overview of cryptocurrency operations and Bitcoin (BTC) transactions around the world between Jan. 1, 2013, and June 30, 2019. The report also shows that countries with the least registered exchanges and it includes Argentina, India, Mexico, Russia, and Indonesia.