CAPTCHA
id:
captcha-163-18065727
title:
CAPTCHA
text:
A CAPTCHA is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford. It is a contrived acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart." A historically common type of CAPTCHA was first invented in 1997 by two groups working in parallel. This form of CAPTCHA requires entering a sequence o
brand slug:
wiki
category slug:
encyclopedia
description:
Test to determine whether a user is human
original url:
https://en.wikipedia.org/wiki/CAPTCHA
date created:
2003-05-21T00:48:38Z
date modified:
2024-08-28T15:21:55Z
main entity:
{"identifier":"Q484598","url":"https://www.wikidata.org/entity/Q484598"}
image:
fields total:
13
integrity:
15