> For the complete documentation index, see [llms.txt](https://docs.quadrata.com/integration/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.quadrata.com/integration/introduction/introduction-to-quadrata.md).

# Introduction to Quadrata

Quadrata Web3 Passport is a privacy-preserving, sybil-resistant technology that brings identity, compliance, and reputation to DApps built on public blockchains.

### How it works

Businesses and consumers onboard onto Quadrata by attaching their wallets to an identity passport. The Quadrata Passport is issued as a non-transferrable NFT. 

DApps integrated with Quadrata can check passport [attributes](/integration/introduction/passport-attributes.md) to verify:

* Identity verification for individuals
* KYB for businesses
* AML screening
* Wallet screening
* Sybil resistant DID
* Country Verification
* Age Verification
* US Accreditation Check

### Getting started

Quadrata is supported on Ethereum, Polygon, Arbitrum, Optimism, Avalanche, Evmos, and KAVA. To integrate Quadrata Passport, you need: 

* Experience with front-end technologies such as [React](https://reactjs.org/). 
* Experience with [Solidity](https://docs.soliditylang.org/en/v0.8.11/) and the Ethereum ecosystem.

To start using Quadrata Passport, read the following sections in the developer guide: 

* [Onboard users](/integration/how-to-integrate/onboard-users.md)
* [Query attributes](/integration/how-to-integrate/query-attributes.md)


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