> ## Documentation Index
> Fetch the complete documentation index at: https://docs.validationcloud.io/llms.txt
> Use this file to discover all available pages before exploring further.

# eth_usingBigBlocks

Returns whether an address currently has big blocks enabled, so its transactions are placed in big blocks rather than small ones.

This method will use `40` [Compute Units](/nodeapi/about/billing).

***

<Info>
  Available over HTTPS only. This method is served by the Hyperliquid node, and WebSocket connections are served by nanoreth, which does not implement it.
</Info>

## Reference: [Here](https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/hyperevm/json-rpc)

## **Parameters**

1. `DATA`, 20 Bytes - The address to check.

## **Returns**

`Boolean` - `true` if the address sends transactions to big blocks.

```json theme={"theme":{"light":"github-light","dark":"github-dark-default"}}
// Result
{
    "jsonrpc": "2.0",
    "id": 1,
    "result": false
}
```

<CodeGroup>
  ```bash title="mainnet" theme={"theme":{"light":"github-light","dark":"github-dark-default"}}
  curl https://mainnet.hyperliquid.validationcloud.io/v1/<YOUR_API_KEY_HERE>/evm \
      -X POST \
      -H "Content-Type: application/json" \
      -d '{"jsonrpc":"2.0","method":"eth_usingBigBlocks","params":["0x6b9e773128f453f5c2c60935ee2de2cbc5390a24"],"id":1}'
  ```
</CodeGroup>


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