A computing device for document authentication and a method to operate the same are provided. The computing device includes one or more processors, a securing subsystem configured to generate at least one unique identification to one or more users, a registration subsystem configured to enable the one or more users to register the one or more documents upon using the at least one unique identification, an encryption subsystem configured to encrypt the one or more documents, a hash subsystem configured to hash each of the one or more documents, a digital signature subsystem configured to generate a unique digital signature associated with each of one or more hashed documents, a private network subsystem configured to upload the one or more hashed documents into a Hyperledger of a blockchain platform, a validation subsystem configured to validate the one or more documents and to provide services associated with validated documents.