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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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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
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
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)

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