“In computer science there are fundamental trade-offs between security and performance. Bitcoin’s automated integrity necessarily comes at high costs in its performance and resource usage. Compared to existing financial IT, Satoshi made radical trade-offs in favor of security and against performance. The seemingly wasteful process of mining is the most obvious of these trade-offs, but it also makes others.
The logs—hundreds of which were available for download on the Immigrations and Customs Enforcement web site despite containing extremely sensitive personal information—call to mind the efforts of closed societies like East Germany or Cuba to cultivate vast networks of informants and an atmosphere of fear and suspicion.
The Stuxnet computer worm that destroyed centrifuges inside Iran's Natanz uranium enrichment site was only one element of a much larger US-prepared cyberattack plan that targeted Iran's air defenses, communications systems, and key parts of its power grid