As much as I dislike cryptocurrencies, I do think the whole concept of distributed ledger is/was interesting from a theoretical point of view. There are still s

As much as I dislike cryptocurrencies, I do think the whole concept of distributed ledger is/was interesting from a theoretical point of view. There are still several unsolved problems in the field, so I could see some researchers working on them. I wouldn't, cause I don't like the application, but I can see the theoretical appeal.