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platform as a service (PAAS) services featuring computer software platforms for using multi-dimensional codes for supply chain logistics; issuance, verifying, authenticating, de-validating, and revocation of codes encoded with data in the field of supply chain logistics, transferring and selling goods and services, the exchange of digital currency, securities transactions, and linking together of physical and digital items; design, development, and implementation of downloadable computer software for generating, altering, scanning, reading, analyzing, identifying, and extracting encoded and encrypted data from multi-dimensional codes; design and implementation of software and technology solutions for the purpose of identifying, verifying, authenticating, de-validating, transferring, tracking, establishing and ensuring the provenance of, and recording physical, printed, and digital items; design and implementation of software and technology solutions for the purpose of manipulating digital data in multi-dimensional codes; 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