Method used for authentication and server

The invention relates to a method used for authentication and a server. According to the embodiment, the method used for the authentication can comprise the following steps: a requester terminal sends first information to a server, wherein the first information marks the requester terminal or a user of the requester terminal; and the requester terminal sends second information to the server, wherein the second information is used for selecting an authenticator terminal for collecting biological characteristic information of the user from one or more authenticator terminals; and the authentication is carried out based on matching of the following two information: the biological characteristic information, collected by the selected authenticator terminal, of the user; and the biological characteristic information registered by the user previously. 本申请涉及用于认证的方法和服务器。根据种实施例，种用于认证的方法可以包括：请求方终端向服务器发送第信息，所述第信息标识所述请求方终端或所述请求方终端的用户；所述请求方终端向所述服务器发送第二信息，所述第二信息用于从个或多个认证方终端中选择用于对所述用户的生物特征信息进行采集的所选认证方终端。其中，所述认证是基于在以下二者之间进行匹