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Take a gander at Iconomi and Game Credits.

Gamecredits is a decent name, but we are probably in a crypto bear market now, so I would be very cautious about new positions.

Coin Marketplace

STEEM 0.10
TRX 0.32
JST 0.032
BTC 115251.44
ETH 4245.57
BNB 1293.32
SBD 0.66