There is a risk in the coin circle. It must be prudent to enter the pit. When the mothers are talking about the bitcoin and the block chain, which means that the market risk is unprecedented, can the people in the coin circle hold their own money? - the Spring Festival this year to celebrate the new year, new year's Eve the night to play fireworks on the bridge, just bought a sheaf of electrooptical fireworks wet bar, look for the boss to stall theory, an aunt next to see, just teasing the sentence: "that person, but also to play this?" so what did the "adults" play with? On the second day of a friend's gathering, a middle-aged and semi bald Internet practitioner poured Amway into the "stir up money". The problem is that he talks not technology but philosophy. From Hayek's "currency non nationalization" to the "currency war in the era of block chain", a solid theoretical training course was given to the friends present. When the cot began to talk about philosophy, the circle began to bear the bear, and he needed not.