But what’s most interesting to me is the single files hashes.
Each individual file will get it’s own hash, reachable from the DHT. It also seems that there will be some kind of standard hashing method allowing to get unique reproducible hashes (no more piece size or parameters). Two persons would always obtain the same hash for the same file even for different torrents. This is all to reduce swarm fragmentation.
So it would be similar to IPFS (except this one broke his promises by introducing several multihash versions…).