What is Decentralized Identity?
Decentralized identity — also known as Self-Sovereign Identity (SSI) — gives individuals control over their digital identity without relying on a central authority. Instead of an organization storing and managing your identity data, you hold your own credentials in a digital wallet and share them on your terms.
How it differs from traditional identity
Section titled “How it differs from traditional identity”In traditional systems, a verifier (e.g., a hotel checking your ID) contacts the issuer (e.g., a government database) to confirm your identity. This creates a central point of control and a privacy risk — the issuer knows every time your credential is used.
With decentralized identity, the flow changes:
- An issuer creates a cryptographically signed credential and gives it to you
- You store it in your wallet
- When a verifier needs to check your credential, you present it directly — the verifier checks the cryptographic signatures against a registry of public keys, without ever contacting the issuer
The issuer never knows when or where you use the credential.
Key benefits
Section titled “Key benefits”- Privacy: Share only what’s needed. Prove you’re over 18 without revealing your birthdate.
- Security: No central database to breach. Credentials are cryptographically signed and tamper-evident.
- User control: You decide what to share, when, and with whom.
- Interoperability: Built on open standards (W3C, OpenID) that work across platforms and borders.
- Compliance: Aligns with eIDAS 2.0, GDPR, and emerging global digital identity regulations.
Learn more
Section titled “Learn more”- What is a Verifiable Credential?
- What is Selective Disclosure?
- Architecture — how Partisia implements decentralized identity