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

# MessagePrefix

```ts theme={null}
const MessagePrefix: string = '\x19Ethereum Signed Message:\n';
```

A constant for the Quai Network equivalent of the [EIP-191](https://eips.ethereum.org/EIPS/eip-191) personal message
prefix.

(**i.e.** `"\\x19Quai Signed Message:\\n"`)

## Source

[constants/strings.ts:20](https://github.com/dominant-strategies/quais.js/blob/c1c12d43f9d34c6baad2b0542bd6d0acd6fefcbf/src/constants/strings.ts#L20)