Rather than risking a ban, you can optimize your gameplay using legitimate methods found on the Blox Fruits Wiki :

: Many script executors (like Delta or various "no key" versions) may contain malware, viruses, or keyloggers designed to steal your Roblox login credentials or personal data from your device.

Finding an "OP Blox Fruits GUI Hack" usually leads to third-party scripts or "GUIs" designed to automate gameplay features like farming, raiding, and finding rare fruits. However, using these tools carries significant risks to your account and personal security. Core Features of Blox Fruits GUIs