One of the guys who is working on this is Eran Hammer, who also co-authored several OAuth specs. He's working on OAuth alternative called Oz (https://github.com

One of the guys who is working on this is Eran Hammer, who also co-authored several OAuth specs. He's working on OAuth alternative called Oz (https://github.com/hueniverse/oz https://github.com/hueniverse/oz).