One month ago, the messaging app Telegram summarily beheaded the online industry of Chinese-language crypto scam services: It banned virtually all accounts related to the first and second most popular marketplaces for vendors offering money laundering, stolen data, and a variety of other illicit wares to the vast criminal enterprises carrying out investment scams from compounds across Southeast Asia.Then, Telegram watched impassively as those black marketeers rebranded, rebuilt, and returned to ...