[skyde]

IPFS need a way to get paid for a block over a period of time. Does not need to be real money just token you can use later to pay for your file to be seeded.

Basically I host your file and you host my file. With some algorithm to make sure number of seeder for each block never go to 0

[momack2]

Check out Filecoin (https://filecoin.io) - token for buying/selling file storage for IPFS data. You can earn tokens for renting out your disk space and use them to purchase backup/hosting from others.