前言
最近区块链很火，看过很多有关区块链的宣传片，但是他们都很抽象，始终无法理解它；我怀疑是不是我太笨了，是不是只有我不能理解它；最后在网上看到一句话：所有人都在说区块链，但没有一个人真正理解它 :-)
Preface
Recently, blockchain is so hot, and I've watched many video about it, but they'are all abstract, I can't understant it.
I started to double about if I'm too fool. Finally, I watched one sentence on the internet: Everyone is talking about the blockchain, but no one really understands it.
学习
我发现学习区块链最好的方式就是自己动手做一个，反正成本也很低。
最终参照别人的博客自己动手谢了一个，终于理解了它。
Learn
I found that the best way to learn the blockchain is to do it yourself, and the cost is low.
I finally thanked one of the other people’s blogs and finally understood it.
谢谢分享！
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