Ripple co-founder Chris Larsen made this year's Forbes 400 list as the world's richest cryptocurrency tycoon. Forbes estimates that Larsen's total net worth is $2.1 billion. On Thursday, Ripple co-founder Chris Larsen graced the Forbes 400 as the 383rd richest person on Earth. Larsen's addition to the list is noteworthy: He's the first person to ever make the list with a fortune amassed almost exclusively from cryptocurrencies. Forbes estimates Larsen's current net worth to be $2.1 billion.