Ok, now make it totally decentralized and peer-to-peer, with a cryptocurrency like Bitcoin used to automatically pay peers that replicate your data on an ongoin

Ok, now make it totally decentralized and peer-to-peer, with a cryptocurrency like Bitcoin used to automatically pay peers that replicate your data on an ongoing basis. There are lots of hard problems to be solved in such a system (mostly dealing with the lack of trust), but I think it would be totally badass.