why does crypto have value, Knowledge graph

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I saw the news that a high-rise building caught fire this afternoon. This is a warning to everyone. How can this happen? Don't they all have anti-leakage alarm devices now? You can check the listed companies that do testing instruments, and their demand will also rise in the future. Market share is also increasing. The performance will be guaranteed.Author's statement: Personal opinion, for reference only.Growth enterprise market index:

Re-offer on the same day:Growth enterprise market index: