Myunghun Cha is CEO of fintech startup Coinone, which runs one of South Korea's largest cryptocurrency exchanges. Despite uncertainty around regulations in the country, the exchange reaches monthly trading around $10 billion and earned over 70 billion won ($6.1 million) in 2017, thanks to the local crypto craze. Cha founded Coinone in 2014 to build the future of finance based on blockchain and cryptocurrency. Cha is a renowned white-hacker who has won international competitions including DEFCON CTF and Codegate.