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Someone did the math above and said all of it would only be about 0.05 percent for Bitcoin.

I'm not sure about the GPU pow coins though

Nope, anything besides ASICs are useless for crypto mining.

Kansas City shuffle?

You're downvoted but it's a real threat. Imagine hackers or state sponsored entities use one of these mega data centers to destroy a few cryptocurrencies.

They are nothing compared to BTC Asics

Comparing 100 duck sized horses to 1 horse sized duck. Or perhaps the amount of GPUs is in the ratio of 1,000:1.