我刚进入到加密数字圈的时候2017年，互联网上有很多宣传与讨论比特币的内容，哈是2020年后的加密数字圈这些内容很多，都是以太坊 DEFI这些东西

When I first got into the crypto community in 2017, there was a lot of propaganda and discussion on the internet about bitcoin and i learn bitcoin by those, however, after 2020, it was all about ethereum DEFI and all this stuff and few bitcoin discussion about bitcoin