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This is very much buzzwords-first and not problems-first.

> Blockchain

Ironic that such a power-hungry technology be used in dealing with natural disasters. If anything, it's just contributing to global warming. Can we please stop pretending that everything on Earth needs a blockchain?

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Blockchain != PoW. There are plenty of blockchains without the problems you described (like IBM's Hyperledger).

Also blockchain != distributed.

Some of the supply chain applications are interesting because it's more corruption resistant.

As a currency (and a lot of other hyped applications), I agree with you, almost totally useless.

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