Pick your path

If you are a…	Follow…	Key tasks
dApp developer without a custom wallet You’ve built a decentralized application that connects to external wallets like MetaMask, Trust Wallet, or Ledger	Metadata file guide	- Create JSON metadata files describing your smart contract functions - Submit metadata to the Clear Signing Registry - Test the file validity
dApp developer with an integrated wallet Your application includes its own wallet functionality or signature request UI	Both Metadata file and Wallet implementation guide	- Create metadata files for your smart contracts - Integrate with Ledger’s SDK to display clear signing information - Implement clear transaction presentation in your UI
A wallet developer You’re building or maintaining a wallet application that needs to support Clear Signing	Wallet implementation guide	- Integrate with Ledger’s Device Management Kit (DMK) and Device Signer Kit (DSK) - Implement metadata fetching from the registry - Display human-readable transaction details to users - Handle various transaction types appropriately
A token developer You’re developing or maintaining ERC-20, ERC-721, or ERC-1155 tokens	Token support guide	Verify the token is already supported or contact us for token support

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Some complex smart contracts or specialized use cases may require a dedicated plugin (a device app) instead of just submitting metadata files to the registry. This is typically necessary for contracts with unusual execution patterns, non-standard data structures, or custom security requirements.

Why implement it?Implementation overview