When do you need Blockchain?

This is a helpful flowchart to help decide if you need Blockchain.

A helpful flowchart to help you decide on whether you need a Blockchain. You only need a blockchain IF you can answer YES to these 6 questions. Do you need a shared consistent data store ? Does more than one entity contribute data? Are data records never updated or deleted once written ? You have NO sensitive identifiers written to the store? Are the entities with write access unable to agree on who is in control of the Data store ? Do you need a tamperproof log of all Data written?

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