Just for the record, this means ethereum contracts ( wallets ) can hold any token shapeshift supports. Like, you can hold bitcoin in your ethereum wallet by using prism. If you buy a token, say dash, you won't have to use a dash wallet aswell, or worse, hold it on exchanges.
You know the old bitcoin maximalist saying "one blockchain dominates them all. I think we can adapt it and say "ethereum wallet dominates them all.