On: How to explain zero-knowledge protocols to your ch...

[mnarayan01]

The "simple" version leaves out an important bit from https://en.wikipedia.org/wiki/Zero-knowledge_proof:

> Peggy, being a very private person, does not want to reveal her knowledge (the secret word) to Victor or to reveal the fact of her knowledge to the world in general.

Without that, the example seems overly convoluted.