A handful of SDN-shown swimming pools however have an “operator” authorization. Of such, two belong to really previous, now-unused versions of Tornado Cash. The remaining swimming pools either have more recent, immutable variations, or were being applied so tiny they had been probably ignored during the May 2020 remaining update. https://v36652.com/tornado-cash-explained-how-it-ensures-unmatched-confidentiality-on-ethereum-and-bnb/