Penguin: BitCoin Revolt Against Chinese Bitmain Miner?

IO Impotency
Dare To Be Free!

An open letter to the Bitcoin community to change the proof-of-work algorithm

Based on conservative estimates of gross margin of 75 percent and operating margin of 65 percent, Bernstein analysts calculate that Beijing-based Bitmain made $3 billion to $4 billion in operating profits in 2017