Bitcoin (and other altcoins) spends huge amounts of electricity just to solve a riddle. The result is (beside the creation of the block) not useful at all.
Is there any altcoin/token where the "miners" have to compute something which has any kind of use? Perhaps calculating prime numbers or sequencing a genom or verify something?
Perhaps I am totally wrong and this is not possible - perhaps there is already somehting implemented like this ...
Topic: Proof of Usefulness? (Read 213 times)
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