Authentic Chained Data Container (ACDC) - Concept, terminology and glossary

Proof of Authority (PoAuthTy)

Definition

Proof that somebody or something has certain rights or permissions. It’s about data. Whereas proof of authorship is about data and its original creator.
A proof-of-authority provides verifiable authorizations or permissions or rights or credentials.

ACDC and proofs

Proof of authorship and proof of authority are integrated in Authentic Chained Data Containers (ACDCs):

• ACDCs provide a verifiable chain of proof-of-authorship of the contained data
• A proof-of-authority may be used to provide verifiable authorizations or permissions or rights or credentials. A chained (treed) proof-of-authority enables delegation of authority and delegated authorizations. These proofs of authorship and/or authority provide provenance of an ACDC itself and by association any data that is so conveyed.
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Example APC : book rights sold

The data contained in an ACDC is a book written by Terlalu Bonito; the ACDC also contains anchoring digest, signed by the author at publishing date. Terlalu has sold all rights to publish the book to Liz Smiley The ownership of the book matches the current control over the book and its digital twin: the proof of authority by the chain of ACDCs.

Do not confuse blockchains or consensus algorithms

Proof of authority (PoA) is also an algorithm used with blockchains that delivers comparatively fast transactions through a consensus mechanism based on identity as a stake.
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This is NOT what we mean in SSI, KERI and ACDC.

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