World ID
Proof-of-human credential from World, issued after an iris and face scan at an Orb device and stored on your phone.
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World ID key facts
| Category | Web3 identity |
|---|---|
| Chains | World Chain (Ethereum L2) |
| Platforms | iOS, Android, SDK |
| US availability | Available in the US except New York State |
| Launched | Protocol launched late July 2023 |
| Company | Tools for Humanity (San Francisco and Munich); protocol stewarded by World Foundation |
| Token | WLD (Worldcoin) |
| Open source | Yes: World ID contracts public on GitHub (MIT) |
What is World ID?
World ID is a proof-of-human credential from the World project, supported by Tools for Humanity. Users verify at an Orb, which scans images of the eyes and face; the data is encrypted, sent to the phone and deleted from the Orb. The protocol launched in late July 2023. Lighter proofs cover document attributes such as age, or a selfie check.
World ID pros and cons
- Available in the US except New York State
- Proofs reveal no name, email or birthdate
- Contracts are public on GitHub under MIT license
- Top-level Proof of Human requires an in-person Orb visit
- Requires scans of the eyes and face
- Not available to New York State residents
World ID FAQ
What is World ID?
World ID is a proof-of-human credential from the World project, supported by Tools for Humanity. Users verify at an Orb, which scans images of the eyes and face; the data is encrypted, sent to the phone and deleted from the Orb. The protocol launched in late July 2023. Lighter proofs cover document attributes such as age, or a selfie check.
Which chains does World ID support?
World Chain (Ethereum L2).
Is World ID available in the US?
Available in the US except New York State, according to World ID’s own page (checked Sep 26, 2026).
Sources
How this page works
Sources: World ID: official site, World: About, World: GitHub world-id-contracts. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.