From the title alone I also assumed some sort of organizational management tooling. I'm not sure how that would be achieved in the context of a code editor, so the actual plugin makes much more sense.
This is an interesting idea, and it's neat to see companies thinking about long-term data storage. The density in this case seems rather low, which might limit the usefulness for most applications.
I like the idea of federated identity management. I hope trends swing back from massive centralized services to more decentralized services as in the earlier days of the internet.