Where can I download the XFUEL or XBY wallet? XTRABYTES Support August 24, 2018 21:32 Updated Follow The XFUEL & XBY wallet can be downloaded from our website here. Important: Don't forget to backup your wallet.dat and private key. Related articles What is XFUEL? How can I earn XFUEL? How to make and restore a backup of your wallet How to fix the "Assertion Failed" error XTRABYTES Community Wallet Comments 0 comments Article is closed for comments.