How can I know if Poké mon's account is a Xiaolong card?

Log in to the account and check whether the authentication is Xiaolong, so you can know whether the account of Poké mon is Xiaolong card. A man named Xiaolong is an account transaction intermediary. Because he has worked for a long time, he has accumulated enough popularity and credibility. So the account that needs to be traded will be converted into his account (that is, Xiaolongka) according to his requirements, and then he will trade. So just check the authentication information. Yes, yes, it's Xiaolongka.