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"But I am very surprised - how is this so undervalued in the market when there are other coins with not this much functionality that are higher up the marketcap ladder?"

That is the million dollar question. The team purposely kept a low profile until they had results to deliver, and never engaged in any of the 'pumping up the price' antics. Standing back and watching the mistakes made by others in this ever-changing industry, is a very clever way to get things right without wasting a lot of time and resources.