OpenID alternatives

Wanting to use OpenID, but concerned about some of the problems? Take a look at LiquidID, which combines the single sign-on and universal identifier features of OpenID with management tools to help you manage your ID with more precise tools. When you sign up for an OpenID at LiquidID, you can use it just like any other OpenID. The key difference is that LiquidID proxies your real email with a unique throwaway email address.