Waiting for confirmation on SELL transactions is a common nuisance with all two-way bitcoin ATMs up until now. Only GENERAL BYTES ATMs (for pictures see: www.generalbytes.com ) support zero confirmation withdrawal. For the end-user this means in 99% of the cases an instant cash-out when selling BTC. Currently the platform supports buy transactions for BTC, LTC, ETH, XMR, DASH, DOGE and many more. Sell transactions are more complicated, for now it's limited to a few coins besides BTC. You can add your own coins here: https://github.com/GENERALBYTESCOM/ Personally I think it would be nice to add some STEEM to the mix. :)