What does difficulty mean in bitcoin mining

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After high-profile failures, can we still believe crowdfunding hype? The most exciting thing about Canada legalising weed? 86 0 0 0 1 4a4. 26 0 0 0 0 9.

23 0 0 1 1 16. How much energy does bitcoin mining really use? It’s complicated Bitcoin hype has reached an all-time high. But if running the bitcoin network uses up as much yearly electricity as a medium-sized country, is it worth it?