That's kinda sad actually. I never got to know about that coin.
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the idea was good ,its rewarding users by walking but the problem about that is . Is there away developers can earn for such a project if they can then we can see many project will create the same as this one. But if not profitable for developers then theres no way they will waste time for this.
I am thinking of them making a device like a watch or any wrist device that would be pretty convenient for people and they can sell it from that. I just don't know if such device that small would be possible though.