Tagged Questions
0
votes
1answer
97 views
Can a Javascript - WebGL proof of work system prevent website spam?
Is it a good idea to come up with a Javascript-based Proof of Work system to reduce spam on forums, and other websites?
This idea would be similar to HashCash, but the computation would be based on ...
0
votes
5answers
111 views
Good ways to prevent spammers from registering [duplicate]
Possible Duplicate:
Is there a true alternative to using CAPTCHA images?
Since everyone hates captchas what are good alternatives? I'm looking to prevent the automated creation of accounts ...
5
votes
12answers
1k views
Is there a true alternative to using CAPTCHA images?
Security is about balancing costs and risks, nothing is impossible to beat, specially not typical CAPTCHA implementations, but they do add something no other system seems to offer.
I've been reading ...
2
votes
2answers
117 views
Are these email captchas legitimate?
The last week, I've been getting this kind of emails to addresses that I don't use:
Dear Sir, Madam,
For security reasons and as part of our ongoing fight against spam, it is our policy not ...
