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Electroneum (ETN) - because it can easily be mined with Smartphones, and it does not use your phone's hardware to mine, it's like a faceut that gives you coins when you leave your app open. Made over 1k coins on each account, I even asked my dad to leave his phone to mine. The price is very low now, but it's a free coin and even if it gets to 20 cents I'll still have some $ to cash out.