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.
World ID sign-ups in Chile exceed 1% of the population
More than 200K people have verified their World ID in Chile as demand grows following the Worldcoin project launch in July.
Announcements, September 18, 2023
New World App update slashes load on Optimism by two thirds
Worldcoin, September 09, 2023
What is an iris code, and how does it preserve privacy?
Worldcoin, September 04, 2023
How to reserve WLD tokens
Announcements, September 03, 2023
International engagement scales to meet global interest in Worldcoin
Announcements, August 31, 2023
Demand for World ID leads to single day sign-up record in crypto-forward Argentina
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
Announcements, August 06, 2023
Launch week sets records for Worldcoin community, World ID sign-ups
Worldcoin, July 28, 2023
Worldcoin protocol security audit reports
Announcements, July 24, 2023
Worldcoin project launches
Announcements, July 24, 2023
Worldcoin begins rollout of 1.5K Orbs to meet global demand for World ID
Worldcoin, July 24, 2023
Introducing Worldcoin: A letter from Alex Blania and Sam Altman
Product, July 20, 2023
The wait is over: Worldcoin’s World ID SDK now publicly available
Announcements, July 20, 2023
Worldcoin completes migration to OP Mainnet
Worldcoin, July 14, 2023
World App FAQs
Announcements, July 13, 2023
Worldcoin passes 2 million World ID sign-ups as demand increases
Announcements, July 06, 2023
Talent Protocol becomes first web3 platform to integrate World ID in Europe
Announcements, July 04, 2023
Worldcoin expands World ID access in Spain in response to AI boom
Announcements, June 29, 2023
Worldcoin launches World ID sign-ups in EU’s largest economy, Germany
Announcements, June 29, 2023
“Sign in with Worldcoin” is now available on Okta’s Auth0 Marketplace
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
Engineering, June 05, 2023
Iris recognition inference system
Worldcoin, June 04, 2023
The story behind the new Worldcoin logo
Worldcoin, May 27, 2023
World ID FAQs
Product, May 23, 2023
Composability on World App: The protocols powering Worldcoin’s first wallet
Worldcoin, May 17, 2023
How to sign up for World ID and use World App
Announcements, May 11, 2023
Worldcoin commits to Optimism’s Superchain vision ahead of mainnet launch
Announcements, May 08, 2023
Introducing World App
Announcements, May 06, 2023
The Worldcoin Orb is going on tour globally. Here’s where to find one
Worldcoin, May 03, 2023
Designing the Orb: The universal value of simplicity
Worldcoin, April 30, 2023
Hackathon recap: The Worldcoin Orb visits Japan
Engineering, April 26, 2023
Iris feature extraction with 2D Gabor wavelets
Worldcoin, April 14, 2023
Proof of personhood: What it is and why it’s needed
Announcements, April 06, 2023
Worldcoin and ETHGlobal: The road to Tokyo
Worldcoin, April 03, 2023
All about entropy: Why irises beat faces and fingerprints for proving personhood
Engineering, March 31, 2023
Humanness in the Age of AI
Engineering, March 23, 2023
Biometric performance at a billion person scale
Announcements, March 14, 2023
Introducing World ID and SDK
Worldcoin, February 24, 2023
Debunking the most common myths about Worldcoin
Announcements, February 23, 2023
In Portugal, Worldcoin sign-ups surpass 1% of the population
Engineering, February 23, 2023
An introduction to zero-knowledge machine learning (ZKML)
Worldcoin, February 16, 2023
A primer on decentralization at Worldcoin
Developers, February 10, 2023
Privacy at Worldcoin: A Technical Deep Dive - Part I
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
Engineering, January 27, 2023
Opening the Orb: A look inside Worldcoin’s biometric imaging device
Announcements, January 13, 2023
Worldcoin has passed 1 million sign-ups. Here’s what’s next
Worldcoin, January 10, 2023
Solving for privacy: Our approach to keeping information safe
Engineering, November 07, 2022
Why Worldcoin Is Contributing to EIP-4844 development
Developers, April 22, 2022
Privacy-Preserving Proof-of-Personhood Protocol
Worldcoin, October 21, 2021
How the Launch Works
Worldcoin, October 21, 2021