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Spending electricity to mine a crypto does not make sense for me.

google "blockchain for beginners" friend.

Proof of authority is better than proof of work.
http://vivaco.in

Technically, the best time to buy was whoever traded a couple pizzas for 10,000 BTC... ;P

that guy must have hanged himself, poor guy..

Well, back then you could CPU-mine BTC at a good clip. I'm sure he had way more than 10kBTC laying around.