The days of Bill Clinton appearing on stage at cryptocurrency conferences and Matt Damon starring in crypto exchange ads are long gone. Speculative mania has given way to more sober reflection. In the US, the energy usage of miners is under fresh attack. The White House has suggested that mining companies pay tax equal to 30 per cent of the cost of electricity they use.
比尔•克林顿(Bill Clinton)出现在加密货币会议的舞台上，马特•达蒙(Matt Damon)出演加密货币交易广告的日子早已一去不复返了。投机狂热已经让位于更为冷静的反思。在美国，矿工的能源使用量正受到新的攻击。白宫建议，挖矿公司应缴纳相当于其用电成本30%的税。
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