Cloudflare Research logo
 

Cryptographic Attestation of Personhood

Cryptographic Attestation of Personhood

Cryptographic Attestation of Personhood provides two of alternatives to CAPTCHAs to prove you are not a robot:

You can try it out on our demo site and let us know your feedback.

Publications

2021ZKAttest: Ring and Group Signatures for Existing ECDSA Keys

Selected Areas in Cryptography (SAC 2021). Lecture Notes in Computer Science, vol 13203, Springer, Cham, 2021.
Armando Faz-Hernandez, Watson Ladd, Deepak Maram

2022Let The Right One In: Attestation as a Usable CAPTCHA Alternative

Eighteenth Symposium on Usable Privacy and Security (SOUPS 2022), Boston, MA. 2022.
Tara Whalen, Thibault Meunier, Mrudula Kodali, Alex Davidson, Marwan Fayed, Armando Faz-Hernandez, Watson Ladd, Deepak Maram, Nick Sullivan, Benedikt Christoph Wolters, Maxime Guerreiro, Andrew Galloni

Blog posts

Videos

People

Resources