Gas coin is the digital coin, which is made to control the NEO network. NEO has 2 different coins. One is the main cryptocurrency, which goes by the name and symbol of NEO another is NeoGas, which goes by the symbol of GAS. The cryptocurrency NEO has been designed to have a maximum of 100 million tokens. Gas coin that is NeoGas is also limited to 100 million. The platform which at the moment permits the buying and selling of Gas coin is Binance.