The Worldcoin Blog
The thinking, ideas, and technology behind a more human economic system.
Worldcoin Privacy FAQs
Answers to some of the most frequently asked questions relating to privacy and the Worldcoin project.

Five important potential applications of Worldcoin
If the Worldcoin project is successful, it could improve many digital interactions that are currently not possible on a global scale.

What is an iris code, and how does it preserve privacy?
Iris codes help make it possible for biometrics to be used to securely verify an individual’s uniqueness while preserving privacy.

Worldcoin, September 04, 2023
How to reserve WLD tokens
Worldcoin, August 30, 2023
Regulatory compliance, personal privacy and equitable access with Worldcoin
Worldcoin, August 17, 2023
Intro to zero-knowledge proofs, Semaphore and their application in World ID
Worldcoin, August 12, 2023
How to build with Worldcoin
Worldcoin, July 28, 2023
Worldcoin protocol security audit reports
Worldcoin, July 24, 2023
Introducing Worldcoin: A letter from Alex Blania and Sam Altman
Worldcoin, July 14, 2023
World App FAQs
Worldcoin, June 19, 2023
A look at iris biometrics: From Optic ID to World ID
Worldcoin, June 15, 2023
Key takeaways from Worldcoin’s Seoul meet up with Sam Altman and Alex Blania
Worldcoin, June 08, 2023
The Orb FAQs
Worldcoin, June 04, 2023
The story behind the new Worldcoin logo
Worldcoin, May 27, 2023
World ID FAQs
Worldcoin, May 17, 2023
How to sign up for World ID and use World App
Worldcoin, May 03, 2023
Designing the Orb: The universal value of simplicity
Worldcoin, April 30, 2023
Hackathon recap: The Worldcoin Orb visits Japan
Worldcoin, April 14, 2023
Proof of personhood: What it is and why it’s needed
Worldcoin, April 03, 2023
All about entropy: Why irises beat faces and fingerprints for proving personhood
Worldcoin, February 24, 2023
Debunking the most common myths about Worldcoin
Worldcoin, February 16, 2023
A primer on decentralization at Worldcoin
Worldcoin, February 09, 2023
What is Worldcoin, and how does it work?
Worldcoin, February 07, 2023
What is a Worldcoin Operator, and how can I become one?
Worldcoin, January 27, 2023
Understanding the Orb and why Worldcoin uses biometrics
Worldcoin, January 10, 2023
Solving for privacy: Our approach to keeping information safe
Worldcoin, October 21, 2021
How the Launch Works
Worldcoin, October 21, 2021