The Concept of Anonymity Sets

A key metric for privacy protocols is the “anonymity set,” which refers to the number of possible deposits that a withdrawal could correspond to. In simpler terms, a larger pool size means more users and more transactions, which increases your privacy by making it harder for an observer to pinpoint your exact transaction. Tornado Cash offers different pools for various deposit sizes. The Tornado Cash site explains how choosing a pool with a larger anonymity set can significantly enhance the privacy of your transaction.