I will, once I've had a chance to look at it more closely. It's captured my imagination. I'd forgotten about ipfs.

And, not that it's the main idea, but merging the file paths and an email address is something 'everyone' can understand. Twitter built a whole business around @somebody.

edit: Many potantial uses are described in the overview. Read the whole thing. https://upspin.io/doc/overview.md