I'm very interested to see how Polis' attempt to launch its own "PolisPay" solution will go: https://bitcointalk.org/index.php?topic=3201841.0

Most masternode coins try to do one of two things: launch a DEX or launch a freelance platform.  While those are both good ideas, the ones that try, try, try to actually become a PAYMENT SOLUTION have a lot more potential, though it's a much tougher road to succeed.  I am staying invested in Polis because I'm hoping they can pull off the payment card partnership where many have failed.  If Polis does pull this off, it'll easily become the second-most valuable MN coin after Dash.  But remember, it will be a tough road with no guarantee, so only invest if you can handle the ride.