比特币是一种去中心化的加密货币,最早由化名中本聪(Satoshi Nakamoto)的作者在2008年的白皮书中提出,并于2009年1月正式发行。 作为点对点的线上货币,比特币的所有交易都是在平等且独立的网络参与者之间直接进行,不需要任何中间人的许可或协助。中本聪表示,比特币的创建目的是为了实现「线上付款能从一方直接传送到另一方,中间无须透过任何金融机构」。 尽管在比特币出现之前已有类似去中心化电子货币的概念,但比特币的独特之处在于,它是首个被实际应用的加密货币。
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