filecoin. storj. factom, ripple, omega one. golem, iconomi
there are tons of them.
The stuff they are going to count "on the blockchain" is too cheap to count! Well, and blockchain transactions are kind of expensive and slow. See the problem?
le·git·i·mate adjective adjective: legitimate ləˈjidəmət/ 1. conforming to the law or to rules. "his claims to legitimate authority"
so, it's great to have a learned opinion on filecoin's tech, but its irrelevant to the discussion of whether filecoin is a legitimate business