Pillar (PLR) is the native token of the Pillar payment system. It is currently based on cryptocurrency Ethereum protocol and listed on a few exchanges paired with major cryptos.
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.