TOMsInsight has recently released a series of reports on China’s online black market. QQ CredentialsAfter Tencent’s QQ IM became very popular in China, there was a time when everyone’s QQ account was “stolen” — infected by malware. There’s a fortune already in the accounts: QQ Coin, virtual item and QQ account number itself. One of the most interesting phenomena created by QQ users is the value added to QQ account numbers. The five-digit and six-digit QQ numbers, or numbers considered lucky or of significance, such as 888888, have been sold at high prices.