... It’s why more than three years ago, he conceived of a new company that could serve first and foremost as proof-of-personhood. Called Worldcoin, its three-part mission — to create a global ID, a global currency and an app that enables payment, purchases and transfers using its own token, along with other digital assets and traditional currencies — is as ambitious as it is technically complicated, but the opportunity is also vast.
In broad strokes, here’s how the outfit, still in beta and based in San Francisco and Berlin, works: To use the service, users must download its app, then have their iris scanned using a silver, melon-sized orb that houses a custom optical system. Once the scan is complete, the individual is added to a database of verified humans, and Worldcoin creates a unique cryptographic “hash” or equation that’s tied to that real person. The scan isn’t saved, but the hash can be used in the future to prove the person’s identity anonymously through the app, which includes a private key that links to a shareable public key. ...
Now, reorganized under a new parent organization called Tools for Humanity that calls itself both a research lab and product company, the outfit is sharing more details. ...