Prizes

✏️ CLEAR SIGNING (ERC-7730)$4,000
🥇
1st place
$2,500
🥈
2nd place
$1,500

Make smart contract interactions more transparent by implementing the ERC-7730 standard. Help drive adoption of transparent transaction signing in the Ethereum ecosystem.

Example Projects:

  • Create ERC-7730 JSON files for major DeFi protocols → Win a Ledger Flex!
  • Build tooling around ERC-7730 to simplify development or drive adoption
  • Implement Clear Signing in your ETHGlobal hackathon project
  • Provide feedback on the ERC-7730 standard implementation
🔧 [L] HARDWARE INTEGRATIONS$5,000
🥇
1st place
$3,000
🥈
2nd place
$2,000

Integrate Ledger hardware wallet support using our new Device Management Kit . Build secure dApps, Device Apps, or Plugins that leverage hardware wallet capabilities.

Example Projects:

  • Integrate Ledger hardware wallet support in your dApp
  • Implement the Ledger Device Management Kit in popular Ethereum Connector libraries (ethers.js, wagmi, RainbowKit, web3-react, Reown AppKit, Web3Auth...)
  • Build an app for Ledger devices or integrate one in Ledger Live
📄 DOCUMENTATION IMPROVEMENT$1,000

Help improve Ledger's developer experience by providing comprehensive feedback on our documentation and standards. Provide feedback on our developer resources (Clear Signing docs, ERC-7730 specification, Device Management Kit docs, etc).

Qualification Requirements

What we're looking for:

  • Detailed analysis of documentation gaps
  • Suggestions for improvements with concrete examples
  • Identification of unclear or missing information
  • Ideas for better code examples or tutorials
  • UX/navigation improvement suggestions

Workshop

🛠️ Ledger Tracks

Come at our workshop to have an overview of our tracks explained. During this workshop you will know which are the ...

This workshop is happening in-person

04:30 PM CEST — Friday, Jul 4, 2025 in Workshop Room 3