what are bitcoins based on, Knowledge graph

Today, the Shanghai stock market looks at around 3400 points, and it is supported.Take the elevatorToday, continue to look at the support of around 21.3 yuan, and pull up to see if 22.2-22.96 yuan can stand firm. If you can't come out first, call back 21.8-21.9 yuan to suck back. (Not necessarily right, based on firm offer)

On Monday, it was suggested that the height could not be refreshed by 3508 points this week. Yesterday, the high opening was directly close to 3500 points, and it was too high to return to normal. It is also suggested to lighten up the position first.………～………～

The closing price of 712 today still depends on the recovery of 22.44 yuan.The Shanghai stock market today covers yesterday's gap, but it needs support around 3400 points, and the market is definitely not over.Take the elevator