经过多年的发展和延迟，被称为合并的以太坊大规模改革终于开始，将作为第二大加密货币核心的数字机器转移到一个更加节能的系统。
截至发稿时，该网络已经过了一个无法挽回的临界点——正式结束了对耗电的加密矿工的依赖。
然而，以太坊的核心开发人员仍在关注期待已久的升级是否取得圆满成功。区块链开发人员和爱好者仍然聚集在 Zoom 会议和庆祝直播中，屏住呼吸等待关键指标，这些指标将表明验证者——以太坊新的运营商<a href="https://www.coindesk.com/learn/ 2020/12/30/what-is-proof-of-stake/">proof-of-stake network</a> – 表现符合预期，并将新交易写入区块链的账本。
将一种运行区块链的方式（称为工作量证明）换成另一种运行方式（称为权益证明）并非易事。 “我使用的比喻是将正在运行的汽车的发动机换掉的想法，”非营利性以太坊基金会的研究员贾斯汀德雷克说，他在合并发生之前与 CoinDesk 交谈。 “我喜欢把它想象成从汽油到电动的转变。”
如果 Ethereum 的彩排 Merge 可以作为参考，那么预计最初会出现一些小问题。
不过，如果成功，回报将是巨大的。以太坊现在应该已经消耗了 99.9% 左右的能源。根据一项估计，从碳排放的角度来看，这就像芬兰突然关闭了电网。
如果 Merge 完全成功，开发人员表示升级将使网络更加安全和可扩展，该网络拥有价值 600 亿美元的加密货币交易所、借贷公司、不可替代令牌 (NFT) 市场和其他应用程序生态系统。
截至发稿时，ETH 交易价格为 1,594.22 美元，过去 24 小时内下跌约 0.81%。
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