what is digital currency backed by, Knowledge

I told you publicly yesterday that there must be an average of 25% one. There are four of them, and three have come out.If 50% of the positions are held, one is Lvmeng Technology and the other is Zhangqu Technology.The first is Nanling Technology.

Today, I suggested that I opened one after I went out of Nanling Technology.The fourth is Lvmeng Technology.The fourth is Lvmeng Technology.

If 50% of the positions are held, one is Lvmeng Technology and the other is Zhangqu Technology.The second one is enlightening design.If 50% of the positions are held, one is Lvmeng Technology and the other is Zhangqu Technology.