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IOST is a decentralised blockchain network based on "Proof of Believability" (PoB).
The project was launched in January 2018 by Jimmy Zhong, Terrence Wang, Justin Li, Ray Xiao, Sa Wang and Kevin Tan.
Zhong has founded other tech startups in the U.S. and China. During his university days, he sold his first company for $40 million — a marketplace where students could exchange class notes. After that, he returned to Beijing and co-founded IOST, among other projects.
Wang’s previous experience includes serving as an Uber software engineer. He holds a degree in computer science from the University of Minnesota and a masters in computer science from Princeton University.
Li previously worked as an investment banking associate at Goldman Sachs and a data scientist at Mobike. He graduated with a degree in applied mathematics and computer science. Meanwhile, Tan was a co-founder at Ethercap, while he received a degree in computer science from Tsinghua University.
Xiao co-founded Dora — alongside Jimmy and Sa — an AI company focused on intelligent kiosks. He studied computer science and quantitative economics at university.