A good & true index in the crypto world would fill a much needed role as both an investment device and a trading vehicle.  Looking into this Sumcoin history, I see that it gives excellent stability, while still showing the directionality of the crypto market.  As an index, I also see the benefit in having much less volatility than simply holding BTC or the like.  I see they have multiple downloads and excellent reviews of their SliceWallet on Google Play, showing they have adequate fuctionality and solid support from their base supporters.  Will certainly be taking a deeper look in Sumcoin.

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