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  ______    _____     _____     ______    _____   
 /_   _//  |  ___||  |__  //   /_   _//  / ____|| 
 `-| |,-   | ||__      / //     -| ||-  / //---`' 
   | ||    | ||__     / //__    _| ||_  \ \\___   
   |_||    |_____||  /_____||  /_____//  \_____|| 
   `-`'    `-----`   `-----`   `-----`    `----`

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Text this: Blockchain supported security functionality for internet of things (IoT) systems