比特币 (BTC) 能源需求一直是加密行业最令人担忧的问题。在采矿过程中，其高消耗率会对环境产生负面影响。如果没有首选解决方案，这个问题可能会导致政府禁止 BTC 挖矿。
数据显示，比特币每年消耗近150四瓦时的电量，超过了一些国家的能源消耗量。这种能源生产水平每年排放的二氧化碳约为 65 兆吨。
统计数据已将比特币列为全球污染的最重要贡献者之一然而，尽管人们越来越担心，加密货币挖矿行业的能源消耗率仍在不断增加。
矿业公司不得不寻找更环保的能源或建造更多设施以产生更多能源。
中国加密货币挖矿禁令影响 BTC 能源消耗
天然气和核能正逐渐成为比特币挖矿使用最多的能源。因此，剑桥替代金融中心（CCAF）周二更新了其剑桥比特币矿业电力消耗指数（CBECI）。
数据显示，2022 年 1 月，天然气和煤炭等化石燃料占比特币电力组合的 62% 以上。其他能源来源 在比特币电力组合中，占总能源组合的 38%。
研究进一步显示，煤炭约占37%，水电约占15%。这表明煤炭是 BTC 开采的最高能源，其次是 2022 年 1 月的水电。
尽管如此，BTC 挖矿对煤炭和水电的依赖多年来有所减少。 2020年，煤电占40%，水电占34%。
与煤炭相反，比特币开采中的天然气和核能消耗在过去两年中显着增加。例如，天然气消耗量从 2020 年的 13% 增加到 2021 年的 23%，而核能从 2021 年的 4% 增加到 2022 年的 9%。
剑桥分析师报告称，中国矿工是导致 2020 年和 2021 年 BTC 能源消费结构不稳定的原因。中国政府在 2021 年关闭了许多水电挖矿公司，导致水电对 BTC 挖矿的贡献下降。
矿业大国向美国转移
剑桥研究报告称，中国的加密货币采矿禁令导致矿工迁移到其他国家，这增加了 BTC 的环境足迹。
剑桥分析师表示，BTC 挖矿电力组合因国家/地区而异。一些国家依赖可持续能源，而另一些国家则依赖化石燃料。例如，瑞典约 98% 的发电量来自可持续能源，而哈萨克斯坦则使用化石燃料。
分析师断言，BTC 挖矿中核能和天然气能源使用量的增加在挖矿电力向美国的转移中显而易见。天然气占美国电力的 38%。相比之下，核能占19%。
比特币即将跌破 19,000 美元Tradingview.com 上的 BTCUSDT
CBECI 的最新更新显示，BTC 挖矿占 2022 年 4800 万吨二氧化碳的温室气体排放量（GHG）。这个数字比 2021 年的 GHG 排放量估计值低 14％。在该研究中，BTC 挖矿仅贡献了约占全球温室气体排放量的 0.1%。
特色图片来自 Pixabay，图表来自 TradingView.comUSDC payments are now available on Sony's Singapore online store, with the company suggesting that additional cryptocurrencies may be introduced in the future.
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