Mr. Yang has extensive experience in the cryptographic digital virtual currency industry. He has been in charge of the construction and operation of the big data center of Loto Interactive Limited. Mr. Yang also serves as the Chairman of Changhe Hydropower Absorption Blockchain Big Data Industrial Park inSichuan. Mr. Yang served as the Company's senior Vice President from 2018 to 2020. Mr. Yang received a bachelor's degree in Architecture from Huazhong University of Science and Technology.

Mr. Qiang Yuan has served in various positions within the Company since 2001. Mr. Yuan was a vice president in charge of financial matters for the Company from June 2014 to July 2016 and has served as a senior vice president since July 2016. Mr. Yuan received a bachelor's degree in Financial Management from Zhongnan University of Finance and Economics in 1995.