A major Ethereum holder transferred 5,170 ETH worth approximately $12.82 million to the coin mixing protocol Tornado Cash in batches about five hours ago. The wallet had accumulated 5,147 ETH at an average price of $1,886.7 between August 12 and 13, currently sitting on unrealized profits of roughly $3.06 million. The purpose of the transfer remains unknown. On-chain data indicates the funds were moved in multiple transactions to the privacy protocol, marking a significant movement by a profitable position holder.