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Thursday, July 21, 2011

Captcha

(En español más abajo)
 
CanadaDo you know what a ‘captcha’ is? Wikipedia defines it as a challenge-response test used as an attempt to ensure that a response (i.e. a blog comments) are generated by a person. It’s an acronym based on the word “capture” (I would have said “caption”, what do you know) and it stands for “Completely Automated Public Turing test to tell Computers and Humans Apart”. Complicated, right?
 
Normally, a captcha will provide you with a word (or two) that you have to enter, or a number, or a combination of both. Some will ask you to solve an easy math problem (I remember that the Wordless Wednesday site used to have that). Blogger (the platform this blog uses) has captcha available for comments, and I’ve seen that used by many of my ‘colleagues’ in an attempt to stop spammers and other trolls. You just type the words that Blogger shows you and that’s it.
 
I was adding a link to Facebook the other day, and once I hit ‘Enter’, the captcha shown before was presented to me. Can anybody tell me how to enter the second word? :-)
 
Captcha
 
 
Argentina
Saben qué es un ‘captcha’? Wikipedia lo define como una prueba de desafío y respuesta que se una en computación para determinar cuándo el usuario es humano o no. Es un acrónimo basado en la palabra “captura” y en inglés representa “Completely Automated Public Turing test to tell Computers and Humans Apart” (“Prueba de Turing pública y automática para diferenciar máquinas y humanos). Complicadito, no?
 
Por lo general, un captcha te da una palabra (o dos) que tenés que entrar, o un número, o una combinación de ambos. Algunos te piden resolver un sencillo problema de matemáticas (recuerdo que el website de Wordless Wednesday tenía eso). Blogger (la plataforma que uso yo) tiene el captcha disponible para comentarios, y lo he visto usar por muchos de mis ’colegas’ en un intento por frenar a los spammers y otros trolls. Uno entra la palabra o palabras que te muestra Blogger y listo.
 
El otro día estaba agregando un link en Facebook, y una vez que di ‘Enter’, el captcha que reproduzco arriba me apareció. Alguien me puede ayudar a deletrear la segunda palabra? :-)

2 comments:

  1. I can tell you the last character is "long", "dragon"!

    Glad to see my degree in Mandarin is becoming useful :-D

    ReplyDelete

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