Photo by Nguyen Dang Hoang Nhu on Unsplash

Can I Reveal Part of My Answer To You, Without Revealing The Rest of It? … Meet Accumulators and Witnesses

Let’s say a teacher asks pupils to name six of the largest counties in the world. The answers would be: Canada, Russia, China, US, Brazil and Australia. Now she tells the pupils to not show their answers but to commit them onto a piece of paper. After this, the teacher asks each pupil to show evidence of the…