According to the Securities Daily News, the concept of blockchain has been active in the near future. In the ten minutes before the close on Friday, many concept stocks including Accurate Information, Xinchen Technology, Easy View, and Chenxin Technology were quickly pulled to the daily limit. And this Monday's opening, many blockchain concept stocks opened higher, but weakened. Yesterday, the blockchain concept stocks made a comeback and strengthened again. Prior to this, there were two blockchain concept stocks that have shown continuous trend of rising and closing, namely Kelan Software and Hengyin Finance. In the absence of good signs on Tuesday, Kelan Software suddenly pulled to the daily limit, and then continued for four consecutive daily limit. On the other hand, Hengyin Finance pulled the daily limit straight up last Thursday, and then went out three consecutive daily limit.