Tim Draper
Venture capitalist Tim Draper is one of many famous Bitcoin investors and cryptocurrency millionaires. In 2014, Draper participated in a US Marshals auction and purchased nearly 30,000 BTC seized from the now-defunct Silk Road marketplace. He paid about 18 million USD for this amount, since then the value has increased exponentially.
Draper's investment is currently valued at more than $1 billion. Thus, he became one of the most successful Bitcoin millionaires in the world.