Cao Yin, Co-founder of Digital Renaissance, and the Chief Expert of Blockchain of China Cinda Security. He also found the Energy Blockchain Labs which focus on blockchain technology application in the energy and finance field.

Cao is an evangelist and token economist in the Chinese blockchain community. As one of the earliest Estonia E-residency members in China, Cao is a key opinion leader and an activist in the China e-residency community. He and his team have advised more than 30 early stage and top blockchain companies in Europe and China.