What is Human Passport?

What is Human Passport? It is a specialized identity verification protocol and decentralized application, or dApp, designed to address this very issue. It provides a robust framework for projects and communities to confirm the uniqueness of their users, thereby ensuring more trustworthy and equitable participation in the digital ecosystem.

Human Passport Origin

The project began as an internal solution to defend the Gitcoin Grants program from attacks but has since evolved into a standalone product aimed at protecting the broader Web3 space. It is built on the Ceramic Network and serves as a powerful aggregator for various identity proofs. 

Human Passport's development highlights a growing recognition that credible identity and reputation mechanisms are essential for the longevity and integrity of any decentralized community.

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Why Human Passport? The Problem of Sybil Attacks

The primary reason for Human Passport's existence is to combat Sybil attacks, a significant threat to many Web3 initiatives. A Sybil attack is a security vulnerability where a single malicious actor creates a large number of false or pseudonymous identities to gain a disproportionate amount of influence within a network. 

In the context of airdrops or grant programs, this means an attacker can claim a greater share of rewards, siphoning funds away from legitimate participants. For decentralized governance, it could allow a single party to manipulate voting outcomes.

Web3 Needs a Way to Verify a User

For a Web3 project to thrive, it needs a way to verify that its participants are indeed unique individuals. 

Many existing identity providers, such as BrightID, ENS, and POAP, offer valuable signals about a user's humanity. However, they are most effective when their data can be combined and analyzed together. 

This is a key part of the answer to "Why Human Passport?". It acts as a central hub, enabling projects to evaluate these disparate identity providers all in one place. 

By making this complex Sybil defense mechanism accessible, Human Passport allows communities to filter out scammers and bots, which is essential for fostering a loyal and high-quality user base.

The Technology and Products Behind Human Passport

Human Passport’s technology is organized around a core suite of products, each designed to offer a different layer of identity verification.

The core product is Passport Stamps, which allows users to build a reputation score by collecting verifiable credentials. These "stamps" represent proof of high-signal human activity from both Web2, which is the current internet with centralized services, and Web3 sources. 

Versatile Way to Verify Identity

Users can choose to verify their identity through various methods, including KYC, biometrics, on-chain activity, and social media verification. KYC, or Know Your Customer, is the process of a business verifying the identity of its clients and assessing their suitability. 

All this collected data can then be used by developers to protect community access or to classify addresses. 

This data is made available through a developer-friendly API, and users have the option to push their Passport data on-chain, creating a permanent, accessible record.

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Passport Models by Human Passport

Additionally, Human Passport offers Passport Models, a real-time verification product. This tool uses machine learning to quickly classify any EVM address as a Sybil or a real human, without requiring the user to have a Passport account. EVM, or Ethereum Virtual Machine, is the core engine that executes smart contracts on the Ethereum blockchain. 

This product provides a frictionless way to screen users and can be used as a primary or secondary verification method.

For partners with specific needs, Human Passport also provides data services, offering detailed analyses of address lists to identify Sybil clusters and provide actionable recommendations.

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Conclusion: A Critical Tool for Web3

The question of "What is Human Passport?" is answered by its mission to be the leading open-source identity verification protocol for the Web3 ecosystem. It provides a comprehensive solution for a critical problem, one that threatens the fairness and longevity of decentralized projects. 

By aggregating diverse identity signals through Passport Stamps and offering real-time verification with Passport Models, it empowers developers to build more trustworthy communities. The project’s commitment to privacy and its public good approach to Sybil defense makes it an essential piece of infrastructure for a healthier, more secure digital future.

FAQ

What is Human Passport?

Human Passport is an identity verification protocol and a decentralized application (dApp) designed to prove that a user is a unique human in the Web3 space.

What is the main purpose of Human Passport?

Its primary purpose is to combat Sybil attacks, a security threat where an attacker uses multiple fake identities to gain an unfair advantage.

How does Human Passport verify a user's identity?

It verifies identity by having users collect "Stamps," which are verifiable credentials from both Web2 and Web3 platforms to build a reputation score.

What are the main products offered by Human Passport? 

The main products are Passport Stamps, which are a collection of identity proofs, and Passport Models, a real-time machine learning tool for classifying addresses as human or Sybil.

What was the Human Passport's origin?

The project originated as an internal tool for Git