金色财经报道，以太坊基础设施平台 Primev 推出 FAST RPC技术，使以太坊交易能够在200毫秒以内完成预确认并锁定进区块 —— 这使得以太币（ETH，当前价格 3773 美元）转账、智能合约交互乃至非同质化代币（NFT）铸造等操作均可实现 “极速” 处理。
预确认是区块构建者发出的早期信号，表明某笔交易很可能被纳入下一个区块；而区块纳入则指交易被正式添加至区块中。
诸如 FAST RPC 之类的远程过程调用（RPC）负责连接加密货币钱包与区块链节点，帮助用户在链上发送交易及与去中心化应用进行交互。
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