Arcblock (ABT) token is currently based on cryptocurrency Ethereum protocol. It is a pre-mined utility token used to pay expenses within the ArcBlock ecosystem. At the moment, ABT is listed on a number of exchanges with the possibility to trade it against fiat (KRW on the Bithumb exchange).
Ripio Credit Network (RCN) is the ERC20 utility token of the eponymous credit network. It is a cost-effective tool that allows to process a cost-free transaction within the ecosystem. The token is trading on the number of exchanges paired with other cryptos.