I found this to be more informative: https://nitter.unixfox.eu/ercwl/status/1684939802083282944
Also check this if you want to understand the science behind zero knowledge proofs: https://yewtu.be/watch?v=fOGdb1CTu5c
Tip:
Export your books from goodreads: https://www.goodreads.com/review/import (at the top of the page)
Then import to bookwyrm at: https://bookwyrm.social/import/
This is the right answer.