Data lifecycle questions, not only for Blockchains

In any data-centric applications, understanding the data lifecycle (also as part of the product lifecycle) is important, especially when trust or traceability are also goals. If Blockchain should play a role, then the requirements associated with the data lifecycle can even become a decisive factor: Either adapt the data model or the processes, or, if that is impossible, limit Blockchain use to selected areas or entirely abolish it.

More on blockchain in the simple, humorous, yet thorough article «Hitchhiker’s Guide to the Blockchain». A German 🇩🇪 version of this article, entitled “Fragen zum Datenlebenszyklus, nicht nur für Blockchains“, is also available.

DHS S&TD Blockchain decision diagram. (Image source: After NIST IR 8202: Blockchain Technology Overview, 2018; page 42, PDF page 53)

From my experience, the following questions are key to understanding the lifecycle if trust, transparency, and/or traceability are involved. A more detailed list is below and can also be downloaded as a PDF.

The answers to this list (or to the questionnaire) can then be used as input to the flow diagram to the right.

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