OKEx and Planet Daily have jointly launched a series of popular science videos on DeFi, "OKEx DeFi 20 Lectures", hosted by Mark King, CEO of OKEx Asia Pacific. It mainly includes three chapters: DeFi Getting Started Guide, Panoramic Interpretation of DeFi Ecosystem, and How to Participate in DeFi. It can easily enable users to understand the principles of DeFi, gain insight into the value of DeFi, grasp DeFi hot spots, and overlook the overall picture of the industry.