I think this requires more explanation. Is this some kind of cloud archiving? Are they using ipfs or something like that?
Most useful content gets packaged by the ArchiveTeam and send to the Internet Archive (no affiliation between the two).
I'm just saying that other projects like https://pushshift.io/ have been capturing all reddit posts and comments for years now.
Anyways, here's a further description: http://wiki.archiveteam.org/index.php/ArchiveTeam_Warrior