Yes, true, and as the paper points out they are related. But the mining centralisation story is basically "water is wet" in 2020 for people interested in this. And as a many commenters here show, the mining centralisation problem is being thought about in technological ways ($BUZZWORD)...
The paper seems to focus more about the political/organisational problem, which to me seem more inherent and harder to solve.
The paper seems to focus more about the political/organisational problem, which to me seem more inherent and harder to solve.