# 什么是比特币Ordinals

Ordinals协议是一个为聪编号的系统，赋予每个聪序列号，并在交易中追踪它们。简而言之，用户可以通过Ordinals附加额外的数据，使每个聪都变得独一无二。这个过程称之为“记录”。

“聪”以比特币的作者中本聪命名（中本聪为化名），是比特币(BTC)的最小面额。1比特币可以被分为1亿聪，这意味着每聪价值0.00000001比特币。

聪的编号是根据它们被开采和转移的顺序而定的。编号方案依据聪的开采顺序，而转移方案依据交易输入和输出的顺序，因此被称为“Ordinals（序数）”。

虽然传统NFT在某些方面与Ordinals相似，但也存在几个关键的区别。NFT通常使用智能合约在以太坊、Solana和BNB Smart Chain等区块链上进行制作，有时它们所代表的资产会被托管在其他地方。相反，Ordinals直接记录在单个聪上，然后被纳入比特币区块链的区块中。Ordinals完全驻留在区块链上，不需要侧链或单独的代币。从这层意义上说，Ordinals记录继承了比特币本身的简单性、不变性、安全性和耐久性。


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