A universal tag linked to the content of a data file for protecting the authenticity of the data file and/or the owner/creator of a digital file. The universal tag is linked to the content in the data file via one or more input keys/seeds that are used to generate the universal tag and rely on data associated with the content. Once generated, the universal tag is registered on a distributed ledger of at least on distributed trust computing network, which acts as a source of truth to validate the universal tag and, as such, validate (i) an authenticity of the data file, and/or (ii) the user associated with the data file (e.g., rightful possessor and/or creator of the digital file).
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