问HN：这个网络攻击场景是什么？
克劳斯·施瓦布警告说：“我们都知道，但仍然对全面网络攻击这一可怕的情景关注不足，这种攻击将导致电力供应、交通、医院服务以及我们整个社会的完全瘫痪。”<p>我认为一个可能的攻击途径是全球根证书颁发机构（CAs）。银行停止运作，你无法转账，自动取款机停止发放现金，航班无法预订。唯一能正常运作的可能是比特币，前提是你在钱包里有一些。<p>还有什么是单点故障（SPOF），其中“单点”可以理解为10^2个组织的顺序？
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Klaus Schwab warned, “We all know, but still pay insufficient attention to, the frightening scenario of a comprehensive cyber attack, which would bring a complete halt to the power supply, transportation, hospital services, our society as a whole.”<p>I think one vector might be global root CAs. Banks stop so you cant transfer cash, ATMs stop dispensing cash, flights cant be booked. The only thing that will work is btc, assuming you have some in a wallet.<p>What else is the SPOF, where "single point" can be read as the order of 10^2 orgs?