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Polygon Mumbai support ended! Please, migrate to Amoy Learn more
Build
 * Issuer
 * Verifier
 * Wallet
 * JS-SDK
 * Smart Contracts

Tools
 * Schema Explorer
 * Schema Builder
 * Query Builder
 * JWZ Validator
 * Web Wallet

Learn
 * FAQs
 * Fundamentals
 * Architecture
 * Inside Polygon ID

ReleasesSupport
Protocol
 * Iden3 General Docs
 * Iden3comm

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INTEGRATE SELF-SOVEREIGN IDENTITY SOLUTION WITH ZERO KNOWLEDGE PROOFS!


Build

Quick start guide





Verify credentials
 * Seamless onboarding,
 * User authentication,
 * Gated access control,
 * Passwordless login,
 * Reveal selective data,
 * Off-chain and on-chain verification.

Tutorials
 * Verify data off-chain with Verifier SDK
 * Verify data on-chain with Verifier SDK
 * Build specific queries
 * Set verification conditions

Issue credentials
 * Data portability,
 * KYC,
 * Reputation,
 * Identification,
 * Age,
 * Sybil resistance,
 * Proof of personhood.

Tutorials
 * Quick start
 * Issue credentials via Issuer Node API & UI
 * Create identity wallets, browser extensions and nodes via JS SDK
 * Create or reuse credential schemas
 * Link credentials to different blockchains

Identity wallet
 * User controls their data,
 * Data management,
 * Wallet integration,
 * Public and private profiles,
 * Switch networks,
 * Identity recovery,
 * Reference application.

Tutorials
 * Build an app with Flutter SDK
 * Build an app with Android SDK
 * Wallet APIs
 * Polygon ID Wallet app: SDK reference implementation
 * Web wallet via JS SDK


Success stories & Ecosystem

Watch the cases studies of successful Polygon ID integrations and explore its
vast ecosystem.

Explore ecosystem

 * WallID
 * Synaps
 * Gatekeeper

First ever browser wallet with zero knowledge protocol that allows users to
verify credentials in their web browser.

Products used:
 * JS SDK



Synaps provides a Proof of Life solution enabling individuals to prove their
humanity when interacting with dApps and protocols.

Products used:
 * Issuer Node



GateKeeper is a no-code credential issuance and verification platform that
enables easy access control management via an intuitive dashboard. GateKeeper
aggregates multiple identity data points such as Verifiable Credentials, NFT's,
on-chain data and more to simplify and customize the different requirements for
gating content.

Products used:
 * JS SDK


Hackathon creations

Explore the creations of hackers who made incredible things using Polygon ID
stack.

LocalProETH Lisbon

Niccolò Prada

Decentral CoachETH San Francisco

Jeffrey Wang

ContingentETH San Francisco

Campbellb

Events & Hackathons

Events Polygon ID is joining or related to.

EthGlobal BrusselsJune 12 - 14, 2024

Brussels, Belgium

EthGlobal BangkokNovember 15 - 17, 2024

Bangkok, Thailand

EthIndiaTBD, 2024

TBD


Learn about Polygon ID

Gain the knowledge and confidence to leverage the full potential of Polygon ID.

Fundamentals
Watch on Youtube
Architecture
Watch on Youtube
Inside Polygon ID
Watch on Youtube

FAQ

Can’t find an answer? Contact our always helpful support.

Contact support

What is Polygon ID?

Polygon ID is a set of tools for developers that can be used to facilitate
trusted and secure relationships between apps and users. Developers can use
Polygon ID to enable the exchange of verifiable credentials secured by
cryptography and the blockchain. Polygon ID is designed for developers with a
strong focus on privacy, decentralization and user data self-sovereignty.
How to set up Polygon ID and start using it?

We created a comprehensive quick start quide on
devs.polygonid.com/docs/quick-start-demo/ where you can understand each of the
roles in Polygon ID in practice.
What main aspects make Polygon ID unique?

 * Private by default solution, as a result of the ZK native protocol used.
 * There is no direct communication between issuer and verifiers.
 * Offering a scalable and self-sovereign digital identity solution.
 * Allows on-chain and off-chain verification, facilitating the deployment of
   both Web2 and Web3 use cases.
 * Supports bulk issuance of claims with a highly efficient on-chain storage at
   a minimum transactional cost.
 * It enables a wide range of use cases to settle the foundation for a
   transformative impact with:
 * protection against Sybil attacks while preserving privacy. This is achieved
   using nullifier techniques that assure that an identity (human being) can
   undertake an action only once. This becomes a key feature for specific use
   cases such as voting processes.
 * non-reusable proofs: guaranteeing the verifier that the proof presented by
   the user was not a copy of a proof generated by another identity, and
   allowing the verifier to check its validity.
 * protection against digital footprint tracking.

How do I use the Polygon ID wallet?

To use the Polygon ID wallet, you will need to download the app and create a
wallet account. You can then use the wallet to manage your digital identity,
claims, and other assets.
How is the zero-knowledge technology used in Polygon ID?

The main two uses of zero-knowledge technology used in Polygon ID are:
 1. Preserve privacy: the user (Identity Holder) can send a proof of any
    information inside a credential to the Verifier (dApp) without revealing the
    information inside the credential. In the Selective Disclosure mode, the
    user can also select which information inside the credential he wants to
    share (without having to select the whole credential). While sharing this
    information, he also sends a proof about this information so the Verifier
    can check its correctness.
 2. Verification of computation: zero-knowledge proofs can be used to prove that
    a computation has been performed correctly without the Verifier having to
    recompute it. For example, within Polygon ID, it is used to prove that an
    identity is performing a state transition correctly.

How is blockchain used in Polygon ID?

There are two main uses of the blockchain for Polygon ID:
 1. Issuing a Merkle Tree Proof (MTP) signature to a credential: the Issuer can
    issue a credential with an MTP which holds information about the Issuer
    state tree published on-chain.
 2. On-chain verification: The Verifier can use an on-chain smart contract to
    verify credentials. In the future, additional uses of blockchain will be
    built for Polygon ID, such as to enable revocation of credentials, where the
    Issuer publishes the revocation tree on-chain so the user (Identity Holder)
    can include the revocation (or non-revocation) information inside the
    zero-knowledge proof they send to the Verifier.

Is there any Polygon ID wallet browser extension link like MetaMask?

There is a mobile application available for Polygon ID, but no public browser
extension. However, we do have a sample browser wallet extension built on our JS
SDK. Read more on
https://devs.polygonid.com/docs/js-sdk/js-sdk-browser-wallet-demo/. You can also
check out, for example, the browser extension from Wallid.io which supports
Polygon ID, https://wallid.io/.
How to get Test MATIC to test Polygon ID?

Go to https://faucet.polygon.technology/, select 'AMOY', add your wallet
address, and press 'Submit'.
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and Terms of Use.
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