Sabih: You can buy XFUEL here if you want to support the team and the project https://waves.xtrabytes.global , that's a Waves DEX with a gateway to XTRABYTES and XFUEL, instructions how to use DEX can be found here https://support.xtrabytes.global/hc/en-us/articles/360025597271-Waves-Guide

Take care and thanks for "support".