Guilt is a gift from Allah warning you that what you are doing is violating your soul..
....and as long as you feel that guilt, you still have good left inside you.
Pi is a cryptocurrency as bitcoin. One bitcoin is equal to 80 lacs Pakistani rupees(you can also google it). Before 10 years, bitcoin made a start like pi is starting. It is free to join now but not in coming days. So join it. Just single click in 24 hours and that's it.