WARNING! There is NO built in mechanism to validate that you're getting what you're asking for. Anyone can fake the data you're requesting.
BitTorrent File System: Mount any BitTorrend seed as a read only drive. Access it with any software on your device. This means that files/folders shared by other BitTorrent users around the globe on the decentralized BitTorrent network can be used by you and your software as a local folder on your local device. Files doe not exist on a centralized server, but are scattered across the devices from your global peers on the BitTorrent network.
BTFS will work without centralized DNS.
It will work without central servers.
It's unknown or not applicable as to how user accounts are handled. It's unknown or is not applicable if BTFS supports cryptocurrency monetization.