In 2011, Brazilian software developer Lucas Schoch spent more than 1,100 bitcoin inside World of Warcraft, the popular online fantasy game. Cryptocurrency had yet to explode in value, but he quickly realized what a mistake he’d made. Data scientist Vijay Pravin had just founded an AI-powered blockchain analytics firm when he heard about the record $69 million sale of a digital artwork known as a non-fungible token a year ago. […]
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