In the GLAM sector the LOCKSS[1] is project is quite well-known. It tries to deal with some of the resiliency problems that is inherent in digital preservation.

In the GLAM sector the LOCKSS[1] is project is quite well-known. It tries to deal with some of the resiliency problems that is inherent in digital preservation. However, I'd guess this system does not offer the needed anonymity. [1] https://www.lockss.org/ https://www.lockss.org/ ; https://en.wikipedia.org/wiki/LOCKSS https://en.wikipedia.org/wiki/LOCKSS