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The key difference is that NoSQL was being developed and used to solve specific issues with using traditional databases. They were implementations of solutions to problems. Blockchain is a solution in search of problems.

By all means I support the research and development of blockchain technologies, but most applications are impractical thus far. The backlash against blockchain is a natural levelling mechanism combating the hyping and over-application of as yet inappropriate tech. As those in the know we should aim for the correct balance rather than blindly support it in hopes of future possible benefits. But as always, be informed and follow what you believe.

A blockchain can prove historic data. That’s quite useful in some situations but making money off of it is hard.

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