Exactly, the person who swiped the 6.6 BTC reward, uses the same computing power to forge some public keys so he can send a message to the guesser, sending a tiny amount of BTC to the guesser in the process.
from the peanut gallery it is impossible to differentiate organizer vs thief, the organizer did invest the money to host the prize, but not the critical thinking to organize a convincing prize?
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