如何在 steemit 竞赛活动里认真抽取幸运奖 |谷哥点名#10 (How to Randomly Choose a Participator for the Lucky Prize in a Steemit Contest)
It is easy to randomly choose a participator for a lucky prize in reality: use a dice, or write each participator's name on a slice of paper, mix them, and choose one, in public. It is not easy to do it