1. Richard Branson, Virgin Group Founder and Chair "[Bitcoin] is working. There may be other currencies like it that may be even better. But in the meantime, there’s a big industry around Bitcoin. People have made fortunes off Bitcoin; some have lost money. It is volatile, but people make money off of volatility, too." ( source ) 2. Bill Gates, Microsoft Founder Bill Gates told Entrepreneur , "Bitcoin is exciting because it shows how cheap it can be. Bitcoin is better than currency in that you don’t have to be physically in the same place and, of course, for large transactions, currency can get pretty inconvenient." 3. Jack Dorsey, Founder and CEO of Twitter and Square Jack Dorsey, the CEO of Twitter and Square, expects bitcoin to become the single global currency within the next decade , he told the Sunday Times newspaper . Dorsey, who invests in Bitcoin, expects the currency to be used for every day purchases like coffee and said its ascenda...