A handful of SDN-stated pools however have an “operator” permission. Of those, two belong to very outdated, now-unused variations of Tornado Cash. The remaining pools both have more recent, immutable variations, or had been utilised so small which they have been likely ignored over the May well 2020 final update. https://salesrepsnow.com/2024/09/29/understanding-tornado-cash-the-future-of-private-transactions-in-the-copyright-world/