Introduction - Soverage

Soverage Gateway is a privacy-first decentralized identity system that provides proof of unique human identity without storing personal data. Soverage is a personal project exploring decentralized proof of personhood. It is non-commercial, built on open standards, and currently running on testnet. Users verify their identity through the Soverage Gateway, complete multiple attestations, and receive portable credentials. No personal information is retained at any point.

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How it works

Understand the verification flow, from identity check to credential issuance

Key concepts

DIDs, Verifiable Credentials, attestations, and personhood scores

Testnet guide

Try the full verification flow on Hedera Testnet

Architecture

Technical architecture, DLT layer, and open standards

What it does

When a user verifies through Soverage, three credentials are issued:

Decentralized Identifier (DID): a W3C DID anchored on-chain that serves as the foundation for the user’s identity
Verifiable Credential (VC): a W3C Verifiable Credential cryptographically signed and linked to the user’s DID
Personhood Token: a non-transferable token proving the user is human

Each credential includes a personhood score (0-100) reflecting the strength of the user’s identity proof, based on the number and type of attestations completed.

Standards

Soverage is built on open standards:

Standard	Reference
W3C Verifiable Credentials	w3.org/TR/vc-data-model
W3C Decentralized Identifiers	w3.org/TR/did-core
OpenID for Verifiable Credential Issuance (OID4VCI)	openid.net/specs/openid-4-verifiable-credential-issuance
OpenID for Verifiable Presentations (OID4VP)	openid.net/specs/openid-4-verifiable-presentations
Ed25519 signatures	RFC 8032
WebAuthn (device attestation)	w3.org/TR/webauthn
Hedera Consensus Service (HCS)	docs.hedera.com/hedera/sdks-and-apis/sdks/consensus-service
Hedera Token Service (HTS)	docs.hedera.com/hedera/sdks-and-apis/sdks/token-service

How It Works

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