Summary: The emergence of chains is undoubtedly one of the great inventions of human civilization. However, there appears to be no significant change in the development of locks over the years until the emergence of “intelligent locks” brought about by grid-connected technologies, radically subverting what is traditionally locked in, thus creating a great deal of accommodation and security for human lives. The emergence of chains is undoubtedly one of the great inventions of human civilizatio...