A few SDN-mentioned swimming pools even now have an “operator” authorization. Of these, two belong to extremely old, now-unused versions of Tornado Cash. The remaining pools possibly have more recent, immutable versions, or ended up applied so small that they ended up possible missed throughout the Might 2020 last update. https://thisisyoke.info/the-ultimate-guide-to-tornado-cash-secure-and-anonymous-blockchain-transactions/