Vitalik Buterin: vitalik.eth 转推： 对任何两个相互竞争的社会经济系统的严峻考验是哪一方需要建造一堵墙来防止人们逃跑？那是坏的！

vitalik.eth retweeted:

The acid test for any two competing socioeconomic systems is which side needs to build a wall to keep people from escaping? That’s the bad one!