The 0x (ZRX) token is an Ethereum-based token operating as the native token of the 0x protocol. It is noteworthy that the 0x protocol represents an open-source framework for developers. The protocol facilitates both ERC-20 and ERC-721 assets. It aims to make transactions get settled in the off-chain mode to improve overall performance of decentralized exchange.
Skycoin (SKY) is the native coin of the Skycoin Internet platform. You’ll be able to buy the coin on the project’s website, as well as to trade it against other cryptos on a number of exchanges.