| Biometric Identity | Worldcoin / World ID | Protocol using iris-scanning hardware (Orbs) to issue unique digital identity credentials globally, enabling proof-of-personhood without a government. | worldcoin.org | @worldcoin |
| Self-Sovereign Identity | Civic Technologies | Blockchain-based identity platform allowing individuals to control and share verified personal data without relying on government or corporate identity systems. | civic.com | @civickey |
| Self-Sovereign Identity | Spruce ID | Open-source implementation of W3C decentralized identifiers (DIDs) and verifiable credentials, providing portable, self-controlled digital identity. | spruceid.com | |