# eth\_getBlockTransactionCountByHash

Returns the number of transactions in a block from a block matching the given block hash.

**Parameters**

1. `DATA`, 32 Bytes - hash of a block

```js
params: ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"]
```

**Returns**

`QUANTITY` - integer of the number of transactions in this block.

**Example**

```js
// Request
curl -X POST --data '{"jsonrpc":"2.0","method":"eth_getBlockTransactionCountByHash","params":["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],"id":1}'
// Result
{
  "id":1,
  "jsonrpc": "2.0",
  "result": "0xb" // 11
}
```
