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The app doesn't work for me. I can't transfer my SUM shares to it. When I log in it just spins.Sumcoin is the best
I use Sumcoin everyday and invite all the friends I meet interested in Crypto.
Its the best coin out there being peer to peer and can’t be manipulated by exchanges as an index! That’s so cool!Love Sumcoin!
I accept it at my business and it makes life so much easier than cash. No fees from credit card companies either.