How i got 100$ from one private website

i am searching a site for hunting and after some minutes i got a one site and the site is related to bitcoin and i think what i have to check in this site and i was checking everything what i want and at last i did’t get anything

:( :(

and i started to recon a website and i got one file and that is related to phpinformation

and how i found that file is like this :-

hurray :D :D

after report of one day they delete this file and they reward me 100$ :)