By Luc Olinga Big champion and guru of bitcoin, Saylor bought an additional $25 million worth of bitcoin despite crypto crash. He does not budge and remains one of the hardliners with Jack Dorsey, the former CEO of Twitter. Billionaire Michael Saylor still believes in bitcoin. And to prove it, he just bought $25 million worth of cryptocurrency, which has fallen 45% in value since its November 10 high. Saylor told his 2 million Twitter (TWTR) – Get Twitter, Inc. Report followers Tuesday that his company MicroStrategy (MSTR) – Get MicroStrategy Incorporated Class A Report had purchased 660 bitco…