Santa Monica-based OneLogin, a developer of single sign-on software, is powering the login capabilities for wealth management site Wealthfront, the firms said today. According to OneLogin and login solution provider Yubico, they have jointly implemented a solution for Wealthfront which allows Wealthfront's employees to securely access corporate web applications. Financial details of the win were not disclosed. Single sign-on applications allow users to use a single username and password to access any number of applications, so that they do not have to maintain separate login information for each application. OneLogin is venture backed by Charles River Ventures and Redpoint Ventures.