1. Require registration with email confirmation.
2. Add a captcha.
3. Block proxy access to your faucet.
4. Implement another form of income even if they do use a bot you still get money. Like shorte.st or [Suspicious link removed]
5. Block Tor access to your faucet.
There are many ways to prevent bots from using your site, just have to be creative
ok.
how block Tor?
i don't know..
it's really?