Validity management system for digital file and method for operating the same

A validity management system for a digital file and a method for operating the same are provided. The system includes a file server that is connected with a file storage system and a blockchain for providing services of file preservation, verification and setting time validity. When an original file...

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Hauptverfasser: YEH, LO-YAO, HUNG, CHIA-HSIEN, HU, JEN-WEI
Format: Patent
Sprache:chi ; eng
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