It includes two proofs, proof-of-replication and proof-of-spacetime which help prove someone is storing the file multiple times in independent locations.
Amazing, although I am not sure I understand their business model correctly. So they are a middle man for digital storage rental and those transactions are done in Filecoins that only they can mine and distribute? So that company has >$200M in cash now or who gets that money? And the investors are in because they saw the surge of Bitcoin (and now of Filecoin)?
