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If more and more people believes in it's core values, value will increase. If it becomes very-very popular, like the internet, value can be 2million+ USD in 15-20 years. Imho worth to have at least one as a safe bet for your retirement. Upside potential is huge.

Thanks for this great reply. I see and agree with your forecast. I believe crypto currencies are a part of life now, being that I’m seeing bitcoin atms. We are in a digital age so bitcoin use will only increase as more and more people understand what it is. Money, and not just a tool for investment capital. The big/small numbers are loosing and confusing many people. Bitcoin needs better PR.