42 Programming of computer software with functionality and features that are quantum resistant for others; customized software development with functionality and features that are quantum resistant in the fields of securing and authenticating information at rest and in transit, including identification information, location information, on products, and protecting against counterfeiting and brand monitoring, identifying and distinguishing authentic, genuine, products from counterfeit products, and collecting data and reporting; Installation, maintenance, and implementation of computer software with functionality and features that are quantum resistant for purposes of securing and authenticating information at rest and in transit, including identification information, location information, on products, and protecting against counterfeiting and brand monitoring, identifying and distinguishing authentic, genuine, products from counterfeit products, and collecting data and reporting; Implementation of computer technologies with functionality and features that are quantum resistant for others for purposes of securing and authenticating information at rest and in transit, including identification information, location information, on products, and protecting against counterfeiting and brand monitoring, identifying and distinguishing authentic, genuine, products from counterfeit products, and collecting data and reporting; Computer systems integration services with functionality and features that are quantum resistant for purposes of protecting against counterfeiting and brand monitoring, identifying and distinguishing authentic, genuine, products from counterfeit products, and collecting data and reporting