Not to be jumping on bandwagons but it seems to me like decentralized block chain based accounts abstract both payments and auth out of your app and into a unif

Not to be jumping on bandwagons but it seems to me like decentralized block chain based accounts abstract both payments and auth out of your app and into a unified audited protocol. And since its a ledger, couldn't you include notification information aswell? I feel like this is the killer feature of all these dapps, 2 of these features come built in.