Teklia has developed a tool to validate if a website user is a human or a bot (like the famous reCaptcha service from Google).
We currently support 3 types of challenges:
- a user must write down 2 words or numbers after reading them from 2 images (transcriptions challenge)
- a user must select all the images described by a word (classification challenge)
- a user must write down one or more words after listening to an audio sample (audio fallback for people with low-vision)
You can try out the challenges on our demonstration page !
This project was started in 2019 with the support of the Archives Nationales, under the name CaptchAN: