In 2015, there were tons of underground futures platforms across the country, all referencing official data. With so many users, gamblers basically always lose, and these futures platforms make 100% profit. However, not all of these underground platforms are so lucky—they sometimes encounter specific gamblers who make massive profits, leaving them no choice but to run away. According to the logic of the crypto world, aren’t they just creating their own perpetual contracts based on official data?