Storage needs
Lowest meaningful size (according to me) for…
Backups
-redundancy
-store in various locations
-store in various format
-store on various hardware
(diversity makes it more robust)
EMP resistant
updating on the importance of protecting against EMPs
possible interventions (kind of in order of how am going about it):
having hard drives with trusted parties in other locations in the world having backups online / on servers at differences places in the world vaults under mountains in remote locations preserving information on EMP resistance devices (paper?)