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Comment by helsinkiandrew

> The data that each smart meter will transmit will be validated and certified by the blockchain, so as to be able to unequivocally guarantee the savings obtained at a certain point in time

Block chain doesn't validate things happening in the real world (energy saved, KWh consumed) only auditors/inspectors can do that. The data from the smart meter can always be faked before it goes to the blockchain network.

Have I missed something? I'd be inclined to give Woz the benefit of the doubt on most things but I don't get what blockchain gives here apart from marketing BS - for which its a year or two behind the times?

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