It's totally unacceptable to me too. I would only buy if it is on physical disk or is available as a full DRM-free offline installer.
Tabb5
joined 1 year ago
Prune juice is good too
This list gets updated every few minutes:
https://github.com/maltfield/awesome-lemmy-instances
The master list is there in the same repository.
That sounds like the PGP Web of Trust, which has been in use for a long time and provides cryptographic signatures and encryption, particularly (but not only) for email.