Bitcoin is a digital asset and payment system with a market capitalization of around $881.85 billion as of Jan. 3, 2022. It is considered by many to be one of the most successful digital currencies ever created. The first-ever bitcoin exchange-traded fund (ETF) was launched in October 2021, pushing the cryptocurrency to new all-time highs. Bitcoin’s stratospheric rise since 2009 has created a surprising and diverse set of millionaires. These millionaires have made money by creating products t...