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

# URID

The URID is UR's on-chain identity system. Think of it as a user ID, but represented as an NFT on Mantle Network. Every user and corporate entity that passes KYC/KYB verification receives a URID minted to their wallet address.

## What a URID does

A URID binds a verified real-world identity to an on-chain address. It links together:

| Component             | Description                                                                                          |
| --------------------- | ---------------------------------------------------------------------------------------------------- |
| Compliance status     | KYC/KYB verification result, so the system knows this address belongs to a verified person or entity |
| Account permissions   | What the holder can do (e.g., transact, hold specific currencies, grant write access to partners)    |
| IBAN assignment       | The personal Swiss IBAN associated with this identity                                                |
| Partner relationships | Which platforms have been granted delegated access                                                   |

A valid URID is required before a user can access any UR Account functionality, including deposits, withdrawals, card spending, and FX conversions.

## Corporate vs personal URIDs

| Type           | Issued after | Purpose                                                                                                                                                             |
| -------------- | ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Personal URID  | KYC          | Unlocks the user's [UR Account](/concepts/ur-account.md)                                                                                                            |
| Corporate URID | KYB          | Required for managing fund flows between your platform and funds on UR held on behalf of your users. See [Corporate UR Account setup](/getting-started/overview.md) |

## Key properties

| Property               | Description                                                                                        |
| ---------------------- | -------------------------------------------------------------------------------------------------- |
| Non-transferable       | A URID is soulbound to the wallet it was minted to. It cannot be sold or moved.                    |
| Revocable              | If compliance status changes, the URID can be deactivated, immediately freezing account access.    |
| On-chain verifiability | Any smart contract can check whether an address holds a valid URID before executing a transaction. |


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