Human Passport, previously Gitcoin Passport, is a privacy-preserving identity and Sybil-protection platform operated as part of human.tech. It offers a Unique Humanity Score, Passport Stamps, zero-knowledge verification, machine-learning Sybil classification, real-time API verification, wallet-list analysis, behavioral clustering, and custom data reports. The platform serves Web3 projects, communities, governance systems, funding rounds, airdrops, faucets, rewards programs, gaming ecosystems, and other organizations seeking to verify unique humans and reduce fraud or spam.