If you can't afford 5/6K for a rig, anyone with an iPhone can mine coin with a mobile miner app. https://electroneum.com/2017/10/24/how-much-can-i-earn-as-a-mobile-miner/
If you can't afford 5/6K for a rig, anyone with an iPhone can mine coin with a mobile miner app. https://electroneum.com/2017/10/24/how-much-can-i-earn-as-a-mobile-miner/
What app mines coins on an Iphone?