---
title: Data NFTs and datatoken roles
description: Access to the data NFT and datatoken smart contract functions is controlled by the permssions stored on chain in the contracts.
---
## Roles in data NFT smart contract
| Action ↓ / Role → | NFT Owner | Manager | ERC20 Deployer | Store Updater | Metadata Updater |
|-----------------------------------|--------------------|--------------------|--------------------|--------------------|--------------------|
| Set token URI | | | | | |
| Add manager | ☑ | | | | |
| Remove manager | ☑ | | | | |
| Clean permissions | ☑ | | | | |
| Set base URI | ☑ | | | | |
| Set MetaData state | | | | | ☑ |
| Set MetaData | | | | | ☑ |
| Create new Datatoken | | | ☑ | | |
| Executes any other smart contract | | ☑ | | | |
| Set new key-value in store | | | | ☑ | |
## Roles in datatoken smart contract
| Action ↓ / Role → | ERC20 Deployer | Minter | NFT owner | Fee manager |
|--------------------------------|--------------------------|--------------------------|--------------------------|--------------------------|
| Deploy pool | ☑ | | | |
| Create Fixed Rate exchange | ☑ | | | |
| Create Dispenser | ☑ | | | |
| Add minter | ☑ | | | |
| Remove minter | ☑ | | | |
| Add fee manager | ☑ | | | |
| Remove fee manager | ☑ | | | |
| Set data | ☑ | | | |
| Clean permissions | | | ☑ | |
| Mint | | ☑ | | |
| Set fee collector | | | | ☑ |