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 How to fix the "Assertion Failed" error How to make and restore a backup of your wallet How to re-sync your wallet with the blockchain What is XFUEL? How can I buy XFUEL? Comments 0 comments Article is closed for comments.