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Raw signing lets you sign arbitrary data with an embedded MPC wallet when you need full control over hashing and formatting. This is most useful for non-standard signing flows or chain/app-specific message formats.
Raw signing is currently only available for EVM embedded wallets.

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Basic raw signing (hash then sign)

Raw signing is not currently exposed as a first-class API in React Native. If you only need standard message signing, use the chain-specific signing methods for your wallet.

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Encoding options

Dynamic supports different encoding formats for your raw messages depending on what you need to hash/sign.

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Hexadecimal encoding

Most common for blockchain applications. The message is encoded as a hex string.

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UTF-8 text encoding

For plain text messages that don’t require hex encoding. 
Hello World

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Hash functions

Different hash functions serve different purposes in cryptographic signing.

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Keccak256 (Ethereum standard)

import { keccak256, stringToHex } from 'viem';

const message = "Hello World";
const hash = keccak256(stringToHex(message));