稳定币最开始出现的用途肯定不是DEFI，而是用法币入金的工具，相当于是连接数字货币世界与真实的法币世界之间的桥梁。

可是随着区块链应用场景的发展变化，稳定币的用途也开始在变化。

可以说稳定币的用途发展也经历了三个阶段。

DEFI开始出现的时间在2018年，起因是2017年的牛市之后进入了漫长的熊市。币价经历了大幅度的下跌，而且这段时间非常长。很多比特币矿工面临着无钱缴纳电费的巨大压力。他们的选择要么是卖掉手中的比特币去维持挖矿，要么留着比特币，从其他地方想办法筹钱交电费。

于是开始有人想要抵押手中的比特币去借USDT来交电费。在这种需求之下，最开始的DEFI出现了，主要服务于比特币矿工的抵押和借贷需求。因为抵押和借贷市场的出现，人们开始有了用稳定币结算的需求来规避比特币的波动带来的损失。

所以这一阶段的稳定币主要应用是在DEFI，也就是去中心化金融活动的结算和支付。

这也就是2018年10月出现了稳定币第一个比较明显的发展时期，流通量也从1亿美金以下开始出现了3亿多美金的增长。

稳定币用途的第三个变化阶段就是今年，变化的动力就来自DEFI的流动性挖矿。

因为很多挖矿需要用到多个币种的自动做市商机制和产生的流动性，用BTC, ETH，或者其他数字货币去提供流动性，矿工会承受币价波动和无常损失等带来的损失。

这对大资金就非常不友好，所以稳定币挖矿成了一种需求很大的市场。这种需求又产生了两种非常大的业务：抵押主流币或者其他有价值的主流币种，借贷稳定币；还有就是稳定币的交易。 

# 本帖 steem 首发  
[  稳定币挖矿成了一种需求很大的市场](https://steemit.com/@zhangyanxie/20201204xu)  

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