Some scripts and even themes took weeks from other members like
@TassieNZ @NullMaster and they shared it with love

! However, it's yours to share your version or not (once you're looking to sell it) but I'm not sure why you guys asking to remove this script.
We have other experiences here with scripts that had secret files and with time it's successfully been nulled by community members .. Others were too complicated and masters like
@TassieNZ shared it without any questions!
For this script, The required backend files will be available once someone {could be alien} share the files available on
https://exbita.com/wp-json/exbita-files/download/{alien's purchase key}
I'm a starter though .. but I already nulled it until it asked for those files and if anyone shares those files any actual master can null and share a working version!
Here's some hints for any of papay's sons going to null or even try with this beast:-
1- For ethereum node step you can use wss node URL for free from services like :- blockdaemon.com in a minute
2- This script requires 4g ram if you're on less ram you'll face errors installing deps
3- <--- Not required yet! you still able to use it using coinpayments API
let's be kind to those who love being not forced to pay for developers and they're so many here

I think they love free tries