A few SDN-outlined swimming pools nevertheless have an “operator” permission. Of those, two belong to pretty outdated, now-unused variations of Tornado Cash. The remaining swimming pools both have more recent, immutable versions, or were being utilized so small that they were very likely ignored through the Might 2020 closing update. https://v33998.com/why-tornado-cash-is-the-go-to-privacy-protocol-for-copyright-users/