personal_sign.mdx

title	personal_sign
sidebar_label	personal_sign
description	Presents a plain text signature challenge to the user and returns the signed response. Prepends a safe prefix to the signed message to prevent the challenge tricking users into signing a financial transaction. <br><br> MetaMask implements `personal_sign` similarly to the Go Ethereum client's `eth_sign` implementation. MetaMask's `personal_sign` doesn't accept a password. <br><br> This method requires that the user has granted permission to interact with their account first, so make sure to call `eth_requestAccounts` (recommended) or `wallet_requestPermissions` first.
hide_title	true
hide_table_of_contents	true
keywords	personal_sign MetaMask Restricted Multichain

import SimplifiedApiReference from '@site/src/components/SimplifiedApiReference'

<SimplifiedApiReference method="personal_sign" description="Presents a plain text signature challenge to the user and returns the signed response. Prepends a safe prefix to the signed message to prevent the challenge tricking users into signing a financial transaction.

MetaMask implements personal_sign similarly to the Go Ethereum client's eth_sign implementation. MetaMask's personal_sign doesn't accept a password.

This method requires that the user has granted permission to interact with their account first, so make sure to call eth_requestAccounts (recommended) or wallet_requestPermissions first." parameters={[ { name: 'Challenge', type: 'string', required: true, description: 'A hex-encoded UTF-8 string to present to the user. See how to encode a string like this in the browser-string-hexer module.', }, { name: 'Address', type: 'string', required: true, description: 'The address of the requested signing account.', }, ]} returns={{ type: 'string', description: 'A hex-encoded signature.', }} exampleRequest={await provider.request({ method: 'personal_sign', params: [ '0x506c65617365207369676e2074686973206d65737361676520746f20636f6e6669726d20796f7572206964656e746974792e', '0x4B0897b0513FdBeEc7C469D9aF4fA6C0752aBea7', ], })} exampleResponse={{ "id": 1, "jsonrpc": "2.0", "result": "0x43d7215ebe96c09a5adac69fc76dea5647286b501954ea273e417cf65e6c80e1db4891826375a7de02467a3e01caf125f64c851a8e9ee9467fd6f7e83523b2115bed8e79d527a85e28a36807d79b85fc551b5c15c1ead2e43456c31f565219203db2aed86cb3601b33ec3b410836d4be7718c6148dc9ac82ecc0a04c5edecd8914" }} />