1.and it is given to one of the miners, kind of at random as it were, who are contributing the computer capacity
at random 胡亂地;隨便地;任意地
The teacher might suddenly address individual students at random.
老師可能隨意突然地與個別學生談話
。He read a great deal-but at random for pleasure.
他讀了很多書--都是隨心所欲,讀著玩的閑書
。