A Chinese cryptocurrency trading platform recently collapsed, prompting speculation that the site was running a scam.On Oct. 15, the platform, Aishang, saw the cryptocurrency traded on its site named Tether plummet from 0.268U (USDT, equivalent to $0.28) to 0.05U within 3 minutes of opening.Aishang is one of three Chinese crypto exchanges that crashed around the same time, according to local media.An investor named Liu Qing (alias) told the Chinese-language edition of The Epoch Times that Aishang was a Ponzi scheme. He said that if this was a normal trading site, the low costs to enter the new market would cause...