Composability; as a user I can prove things publicly about my assets and other people can offer services independently of the asset issuer. E.g. take out a loan

Composability; as a user I can prove things publicly about my assets and other people can offer services independently of the asset issuer. E.g. take out a loan against my bacon coins or whatever, even if Bacon Bank didn’t think to implement a way for lenders to verify my ownership of bacon coins.