Understanding Identity Validators and Their Role in the Humanity Ecosystem
Ensuring that a person is who they claim to be is essential for security, trust, and compliance. This is where ID validators come into play.
Feb 21, 2025
Digital identity
Ensuring that a person is who they claim to be online is essential for security, trust, compliance, and overall experience — moreso when a large portion of our lives are spent in front of a screen. This is where identity validators come into play. ID validators are entities responsible for verifying the authenticity of a user’s identity while ensuring privacy and security. They play a crucial role in Humanity's decentralized identity ecosystem, allowing users to prove their identity without exposing sensitive personal data.
Within the Humanity Protocol Self-Sovereign Identity (SSI) framework, Identity Validators (also known as Issuers) are entities that check the private data submitted by users and issue verifiable credentials (VCs) if these data are proven to be valid against the respective claims of the VCs. Identity Validators are considered trusted entities since they are ultimately responsible for the authenticity of the issued VCs; similar to the role of the sequencer in zero-knowledge rollup applications.
One example of an ID validator on HP is OKX Wallet, which has integrated with Humanity Protocol to help verify identities while maintaining decentralization and user control. Unlike traditional identity verification services that rely on centralized databases, ID validators operate in a way that prioritizes privacy and cryptographic security.
How Do ID Validators Work & Do They Store Your Information?
A common concern when dealing with digital identity solutions is data storage — specifically, whether ID validators keep personal information. The short answer is: no, ID validators do not store sensitive personal data like your palm scans in a way that can be exploited. They may be organisations that are required to store your data, such as centralised exchanges, but this data is never revealed to Humanity. Instead, they function through zero-knowledge proofs (ZKPs) and cryptographic attestations.
Here’s how it works:
A user undergoes an identity verification process, which may involve biometric authentication or other forms of secure identity proofing.
If the provided data meets the required claims, the ID validator issues a verifiable credential (VC), which serves as a cryptographic proof of the user's identity.
Rather than storing personal information, the validator records cryptographic attestations on-chain, ensuring that the verification can be referenced without exposing the data.
When a user needs to verify their identity, they share the VC without revealing personal details. This ensures privacy while still enabling trust in identity verification.
Because ID validators leverage zero-knowledge cryptography, they never need to store raw personal data like biometric scans, names, or government-issued IDs. Instead, the information is hashed and attested in a way that prevents unauthorized access while proving authenticity.
Why Are ID Validators Important?
The role of ID validators extends beyond simple verification. They are a cornerstone of privacy-preserving, trustless identity systems. In traditional identity systems, centralized databases create honey pots for hackers. A single breach can expose millions of personal records. Since ID validators don’t store personal data, they significantly reduce the risk of large-scale identity theft.
With ID validators, users can prove their identity without relying on centralized authorities. This aligns with the ethos of Web3, where users should own and control their identity rather than entrusting it to corporations. One of the biggest challenges in decentralized systems is distinguishing real users from bots. ID validators help solve this by ensuring that each identity is unique and verifiable, preventing fraudulent activities and Sybil attacks.
Regulatory compliance is a growing concern in Web3, with many platforms required to meet KYC (Know Your Customer) and AML (Anti-Money Laundering) standards. ID validators enable compliance without requiring users to sacrifice their privacy by storing their personal data.
Building an extensive ecosystem
ID validators like OKX Wallet and others in the Humanity Protocol ecosystem play a vital role in the future of decentralized identity. They verify users without storing sensitive information, leveraging cryptographic proofs and zero-knowledge attestations to ensure both privacy and security.
As blockchain and Web3 continue to grow, ID validators will be instrumental in creating a trustless, privacy-first digital identity landscape; one where users can prove who they are without ever giving up control of their data.