# \[ANN\] BrainBuster (Logic Captcha) 0.8.1 released

**URL:** <https://www.ruby-forum.com/t/ann-brainbuster-logic-captcha-0-8-1-released/129944>\
**Category:** Rails\
**Created:** [February 22, 2008, 10:47pm UTC](https://www.ruby-forum.com/t/ann-brainbuster-logic-captcha-0-8-1-released/129944 "2008-02-22T22:47:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rsanheim](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/47e85d/32.png) [@rsanheim](https://www.ruby-forum.com/u/rsanheim)\
**Post date:** [February 22, 2008, 10:47pm UTC](https://www.ruby-forum.com/t/ann-brainbuster-logic-captcha-0-8-1-released/129944/1 "2008-02-22T22:47:45Z")

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# Description

BrainBuster is a logic captcha for Rails. A logic captcha attempts to  
detect automated responses (ie spambots) by asking a simple question,  
such as a word puzzle or math question. Logic captchas are often  
easier for humans to answer then image based captchas, but can exclude  
foreign users or users with cognitive disabilities.

Some example question and answers are:

“What is fifteen minus five?” =\> “10”  
“Which one of these doesn’t fit? ‘blue, red, yellow, flower’” =\>  
‘flower’

For more on logic captchas and alternate approaches, please see

> **[Inaccessibility of CAPTCHA](https://www.w3.org/TR/turingtest/#logic)**
>
> Various approaches have been employed over many years to distinguish human users of web sites from robots. The traditional CAPTCHA approach asking users to identify obscured text in an image remains common, but other approaches have emerged. All...

# Changes in this Release

- use append\_view\_paths instead of directly appending to it, for edge  
rails compatibility [Hashrocket]
- remove #send for 1.9 compatibility

thanks,  
Rob

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