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Don't use CAPTCHA!

Protect your forms in a user friendly way

July 30, 2022 -

Chances are that you've encountered a CAPTCHA in the wild: they protect web forms by asking you to type over weirdly rendered characters or by asking you to select photos containing a particular thing. Why are they used and is there a user friendly alternative?

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Typical CAPTCHA's you may encounter on the web (image credit: Wikipedia and Google)
Typical CAPTCHA's you may encounter on the web (image credit: Wikipedia and Google)
A typical web form: server processes information from a person, forwarding it to other people, like yourself. Malicious actors can easily fake the sending person, enabling automated abuse of your processing server
A typical web form: server processes information from a person, forwarding it to other people, like yourself. Malicious actors can easily fake the sending person, enabling automated abuse of your processing server
By introducing a unique, use-only-once, token for each message it becomes much harder for malicious actors to automate the process of sending messages - protecting your form against spammers
By introducing a unique, use-only-once, token for each message it becomes much harder for malicious actors to automate the process of sending messages - protecting your form against spammers

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