1.NounThe act of securing authorization rights independently from the intermediaries that use them and the parties to which they apply
2.Noun(A document containing) published rights with a guarantee of authenticity which may be verified independently of the intermediaries that use them and the parties to which they apply.
3.Noun(A digitally signed document containing) published rights with cryptographically verifiable integrity, secured independently of the applications that use them and entities to which they apply.