I don't like file storage coins. They don't seem to be getting users due to the dubious ideas surrounding how files are stored, which makes IT guys leery of using their technology. MaidSafe... a file which can never be deleted. This is like an IT guys worst nightmare. DTUBE with IPFS is doing decentralized storage just fine without having to buy a 3rd party currency before they do it. You just pay an IPFS network provider to store it using a normal currency they'd rather have anyway.