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Calvin Cheng is an experienced Blockchain Smart Contract Engineer currently working at Infinity Exchange since March 2023, focusing on institutional interest rate markets and Ethereum L2 developments. Previously, Calvin served as a Crypto Course Instructor at Udemy, engaging over 13,000 students through comprehensive online courses. Calvin's prior role at Waterfall DeFi involved building a yield aggregator on EVM-compatible ecosystems, achieving a peak total value locked (TVL) exceeding USD 20 million. Previous experience includes a position as a Blockchain Full Stack & DevOps Engineer at KeyChain Pay, creating a patented rental solution, and consulting for Deloitte on various blockchain projects for governmental and multinational clients. Calvin also contributed to education in the blockchain space, teaching courses for the HKSAR Government and speaking at HKUST events. Calvin holds a BBA in Information Systems from The Hong Kong University of Science and Technology, supplemented by international studies at the University of Maryland and Tsinghua University.