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KuCoin announces cloud mining to begin September 16.  They will have some 10 EH/s at the start and will use water-cooled miners.  Also will offer mining for DOGE and LTC.  Other then that, not a whole lot of details.

https://cointelegraph.com/press-releases/kucoin-presents-kumining-embodying-simple-mining-smart-gains

If it looks like it might work out to be economical for users, I may join KuCoin as another exchange to buy & sell BTC.