I already made this: https://idbloc.co/
Good luck! It's unlikely you'll be able to keep it free for long due to the volume of spammers who will dive in once they discover it (speaking from experience).
I already made this: https://idbloc.co/
Good luck! It's unlikely you'll be able to keep it free for long due to the volume of spammers who will dive in once they discover it (speaking from experience).