Learn more about how we make money from our partners. Indeed, a bitcoin ATM is a promising business idea. Previous Post How to keep business branding successful at all times. DigitalMint , a Chicago-based over-the-counter cryptocurrency trading platform, has installed bitcoin kiosks at 20 Circle K convenience stores as part of a pilot program across Arizona and Nevada. Please don’t interpret the order in which products appear on our Site as any endorsement or recommendation from us. Don’t miss out! Users can either purchase bitcoins or sell their bitcoins for cash.