---
title: Authentication
icon: FingerprintIcon
---

## Introduction

### Online
<br/>
<picture>
    <source srcSet="/diagrams/signin-1-light.png" media="(prefers-color-scheme: light)" />
    <source srcSet="/diagrams/signin-1-dark.png" media="(prefers-color-scheme: dark)" />
    <img src="/diagrams/signin-1-dark.png" alt="Image" className="image" />
</picture>

### Offline
<br/>
<picture>
    <source srcSet="/diagrams/signin-2-light.png" media="(prefers-color-scheme: light)" />
    <source srcSet="/diagrams/signin-2-dark.png" media="(prefers-color-scheme: dark)" />
    <img src="/diagrams/signin-2-dark.png" alt="Image" className="image" />
</picture>

## Types of Authentication

<Callout type="info" emoji="ℹ️">
  Note: You don't need to go this route if you just want the proof of a single attribute. [Learn More]()
</Callout>

### Public Profile `public`

This allows you get the public profile of user like their Ethereum Address, Humaness Metrics etc. Compatible with [SIWE](https://login.xyz/) Standard.

### ZK Attributes `private`

This allows you get the ZK Commitment of user to access the various attributes of their persona.

### Additional Data `data`

You can request specific data items linked to the user from the vault only if the user permits.