Chi Gastoken by 1inch.exchange is a more optimized gas token solution then everything existing on the market. Shorter contract address, using create2 and some assembly optimizations provide lower gas costs on minting and burning calls.
1inch exchange is a hackathon project which was presented at ETHNewYork in 2019. The project was created and developed by Sergej Kunz (co-founder & CEO) and Anton Bukov (co-founder & CTO). 1inch exchange is a DEX aggregator that executes a swap of tokens at the best price in one single transaction.