@despens upspin is nothing related to p2p as we think with tools like dat/ipfs. they are trying to solve a global file naming, file sharing permissions and encryption. for this they are proposing an addressing system very similar to email accounts. the good part is that everything is absolutely well documented (code too), and i havent already read it all.

@despens for a clear overview of the architecture https://upspin.io/doc/arch.md