Re:Ask HN: Is your company sticking to on-premise servers? Why?
by Taek on Thursday May 07, 2020 @11:00AM
(#23103751)
Sia founder here. The hashing algorithm we use is blake2b. Definitely secure.
We do probabilistic proofs, so we have the host provide us a small random sampling of actual data (so the host can't rely on precomputing), plus a proof that this actual data is what the contract says the host should be storing.
We do probabilistic proofs, so we have the host provide us a small random sampling of actual data (so the host can't rely on precomputing), plus a proof that this actual data is what the contract says the host should be storing.
See chapter 5: https://sia.tech/sia.pdf