What captcha do you use?

[Venom]

In phpbb there are a few different verification system, including captcha, q&a but what do you prefer, and why?.

 

[CM30]

Question and answer system with questions based on the site's topic. Much less prone to being bypassed by spambots and idiots working for spammers.

 

[E07.NET]

Q&A is must otherwise you would get lots of spam.

 

[Joel]

Using Q&A for my forum 🙂 Its bot proof.

 

[Freedomlover]

I always use google captcha . I think it is the best .

 

[Venom]

Starting to use q & a on my forums.

 

[Patrick W.]

KeyCAPTCHA. Has taken my spam bots to ZERO.