Dong Zhao is the founder of MoJi Weather, a weather forecast app with approximately 270 million monthly active users at present. He is a prominent Chinese early adopter of Bitcoin both as speculator and miner in the community. Mr. Zhao was one of the largest Chinese miners in 2014, he was also one of the largest Bitcoin OTC traders in China. Having been engaging in OTC trading for 5 years, with annual trading volume over 1 million BTC at present. Mr. Zhao lost 9,000 BTC, approximately 8 million USD, in a single day due to the Mt.Gox incident in 2014, and eventually lost 15 million USD in total. Nevertheless, all debts were paid off within 3 years, which brought his unshakable reputation in the cryptocurrency industry. He once raised 4,000 BTC within 20 minutes from institutional investors. Mr. Zhao is one of the influential shareholders of Bitfinex.