Bitcoin (BTC) and crypto mining needs the perfect balance of energy costs and revenue to be a viable investment venture. In the case of energy, cheap rates are preferred. There is also the aspect of cooling the mining machines that is usually taken care of by air conditioning in traditional data centers. But why use extra energy when you can use naturally occurring cool air found in specific regions and/or countries across the globe? With the price of all cryptocurrencies decreasing in the current bear market, reducing operational costs of mining is very desirable.
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