> ## Documentation Index
> Fetch the complete documentation index at: https://blockscout-ap-optimize-logs-envs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Reown (Previously WalletConnect) Project ID For Contract Read/Write

<Info>
  The latest versions of Blockscout use Reown (previously WalletConnect) for Read and Write functionality with smart contracts. The frontend variable `NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID` must be enabled with your project ID for this feature to work.
</Info>

## Setting up a Reown Project ID

1\) Go to [https://cloud.reown.com/sign-in](https://cloud.reown.com/sign-in) and sign in or create an account.

2\) Create a new Project

<Frame caption="">
  <img src="https://mintcdn.com/blockscout-ap-optimize-logs-envs/G4wbWmEiTloG-fEe/images/ef662cf6-image.jpeg?fit=max&auto=format&n=G4wbWmEiTloG-fEe&q=85&s=78e67c2fce58b666611d275de32cf890" width="2062" height="1228" data-path="images/ef662cf6-image.jpeg" />
</Frame>

3\) Add your project information (name and project homepage) and click continue.

<Frame caption="">
  <img src="https://mintcdn.com/blockscout-ap-optimize-logs-envs/A9S-JMH9FKq4w1iU/images/5aacc1da-image.jpeg?fit=max&auto=format&n=A9S-JMH9FKq4w1iU&q=85&s=acdeef9476273fb8cd12c1ed73275fb9" width="1460" height="1418" data-path="images/5aacc1da-image.jpeg" />
</Frame>

4\) Select **WalletKit** as the SDK.

<Frame caption="">
  <img src="https://mintcdn.com/blockscout-ap-optimize-logs-envs/G4wbWmEiTloG-fEe/images/f1454996-image.jpeg?fit=max&auto=format&n=G4wbWmEiTloG-fEe&q=85&s=f0aa36462fbc2245eeeef91c2d321677" width="1630" height="1330" data-path="images/f1454996-image.jpeg" />
</Frame>

5\) Select **Javascript** as the platform and create your project.

<Frame caption="">
  <img src="https://mintcdn.com/blockscout-ap-optimize-logs-envs/xrAdK8chuaObAVsS/images/44eaa7e8-image.jpeg?fit=max&auto=format&n=xrAdK8chuaObAVsS&q=85&s=11a63c56b94f592c0514e1c95ba21bd5" width="1482" height="1356" data-path="images/44eaa7e8-image.jpeg" />
</Frame>

6\) Scroll down to see your basic information, including your Project ID. Before using, however, **setup Project Domains**. Please include any urls which host your explorer(s) here.

<Warning>
  This step is important because the Project ID will be exposed in the browser. Setting allowed domains prevents unauthorized usage of your ID.
</Warning>

<Frame caption="">
  <img src="https://mintcdn.com/blockscout-ap-optimize-logs-envs/G4wbWmEiTloG-fEe/images/d46a2c33-image.jpeg?fit=max&auto=format&n=G4wbWmEiTloG-fEe&q=85&s=82e65d1f17270b924778220e35301b96" width="2238" height="1324" data-path="images/d46a2c33-image.jpeg" />
</Frame>

You can also verify your domain domains. This is not required but is recommended for security. Instructions are included in the interface.

<Frame caption="">
  <img src="https://mintcdn.com/blockscout-ap-optimize-logs-envs/A9S-JMH9FKq4w1iU/images/7caa93d0-image.jpeg?fit=max&auto=format&n=A9S-JMH9FKq4w1iU&q=85&s=76b26a75efabc01c73447b1f94798b26" width="1982" height="1282" data-path="images/7caa93d0-image.jpeg" />
</Frame>

7\) Copy your project ID and add in the ENV.

<Frame caption="">
  <img src="https://mintcdn.com/blockscout-ap-optimize-logs-envs/G4wbWmEiTloG-fEe/images/e49e1dc3-image.jpeg?fit=max&auto=format&n=G4wbWmEiTloG-fEe&q=85&s=c415ec756b32ac8c097df718c9111860" width="2288" height="1348" data-path="images/e49e1dc3-image.jpeg" />
</Frame>

```javascript theme={null}
$ export NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID=54b4....8dd05
```

<Tip>
  You Blockscout instance will now support the Reown Project ID for Contract Read and Write functionality. [-> See more front-end ENVs related to Blockchain and contract interaction](https://github.com/blockscout/frontend/blob/main/docs/ENVS.md#blockchain-interaction-writing-to-contract-etc).
</Tip>