what are cryptocurrencies backed by

I have a position in my hand waiting for replenishment.I have a position in my hand waiting for replenishment.If you are bullish, you have to add you, and if you are bearish, you will be abbreviated.

The index began to stretch after 10:50. Who is pulling it?I don't think it is particularly optimistic.I don't think it is particularly optimistic.

Now in this position, the index is high and low, and the big yinxian line has fallen by 2%. In the next two days, two positive lines were reversed.I have a position in my hand waiting for replenishment.I don't think it is particularly optimistic.