The companies making mining hardware are even more centralized. Bitmain has been estimated to control 80% (!) of the mining market[1]. That stat is a few years

The companies making mining hardware are even more centralized. Bitmain has been estimated to control 80% (!) of the mining market[1]. That stat is a few years old now, but if you look at purchase orders for large public miners, the centralization seems even more pronounced. [1] https://www.bloomberg.com/news/features/2018-05-17/china-s-crypto-chips-king-sets-his-sights-on-ai https://www.bloomberg.com/news/features/2018-05-17/china-s-c...