The One Laptop per Child foundation (OLPC) cheap laptop, called the XO, provides access to the Internet using a mesh network approach. Thus messages from one child's laptop may pass through many other laptops before reaching a telephone network. As designed, the XO technology provides children a protection against the theft of their machines. The OLPC security team, formerly led by Ivan Krsti at Harvard University, developed the Bitfrost security model for the XO. Its anti-theft system is called
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