The number of points is calculated as the difference between 50% and the user’s answer. For instance, if a user chose a 65% probability for the event “Will Bitcoin’s price rise to $3,500 by 30 July?” and the correct answer is “no” (= 0%), they will lose 15 points (50 - 65). A forecaster who answers 20% to this question will get 30 points (50 - 20) for the right answer. If the correct answer is “yes” (= 100%), a user who chose 65% will receive 15 points (65 - 50) and a user who chose 20% will lose 30 points (20 - 50). Therefore, the maximum number of points you can win for each binary question is 50.

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