Assuming it’s the same entity, they’re averaging around 5-10% of the total hash in the last day
Discussion
This is “unknown” over the last year or so. Not sure how reliable the unknown bucket is as it could be a catch-all 
What was the reason for the previous Unknown spike in September 2022?
I’m not sure, but I wouldn’t read too much into it. While on the one hand it might appear to be a secretive nation-sate deploying hash, the more likely explanation is that it’s a technical miscategorization
