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PARIS, FRANCE - FEBRUARY 12: In this photo illustration, Bitcoin course's graph is seen on the Coinbase cryptocurrency exchange application on February 12, 2018 in Paris, France. Founded in June of 2012, Coinbase is a digital currency wallet and platform where merchants and consumers can transact with new digital currencies like bitcoin, ethereum, and litecoin. The company is based in San Francisco, California generated in 2017 a record turnover of one billion dollars (about 810 million euros) with exceptional trading volumes, which made it the most downloaded mobile app on iOS last December. (Photo by Chesnot/Getty Images)

PARIS, FRANCE - FEBRUARY 12:  In this photo illustration, Bitcoin course's graph is seen on the Coinbase cryptocurrency exchange application on February 12, 2018 in Paris, France. Founded in June of 2012, Coinbase is a digital currency wallet and platform where merchants and consumers can transact with new digital currencies like bitcoin, ethereum, and litecoin. The company is based in San Francisco, California generated in 2017 a record turnover of one billion dollars (about 810 million euros) with exceptional trading volumes, which made it the most downloaded mobile app on iOS last December.  (Photo by Chesnot/Getty Images)