The Worldcoin Blog

The thinking, ideas, and technology behind a more human economic system.

Engineering, June 05, 2023

Iris recognition inference system

Worldcoin requires a system that can accurately verify one's uniqueness among billions of users. In this article, we will explain how our biometric pipeline processes iris images to enable uniqueness verification on a large scale.

Engineering, April 26, 2023

Iris feature extraction with 2D Gabor wavelets

In this blog post, we discuss the traditional iris feature extraction method using Gabor filtering and why it works for iris texture.

Engineering, March 31, 2023

Humanness in the Age of AI

A path to an open and permissionless identity protocol.

Engineering, March 23, 2023

Biometric performance at a billion person scale

Engineering, February 23, 2023

An introduction to zero-knowledge machine learning (ZKML)

Engineering, January 27, 2023

Opening the Orb: A look inside Worldcoin’s biometric imaging device

Engineering, November 07, 2022

Why Worldcoin Is Contributing to EIP-4844 development