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Ledger

$10,000

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About

Build Clear Signing experiences or Device Management Kit integrations. Meet our engineers, get live reviews, and aim for the $10,000 bounty pool.

Prizes

📝 CLEAR SIGNING (ERC-7730) ⸺ $4,000
🥇
1st place
$2,500
🥈
2nd place
$1,500
Enable human-readable signing for any dApp. Author ERC-7730 descriptors to decode complex transactions, or build the developer tooling needed to scale the standard. Example projects: - Create ERC-7730 JSON files for DeFi protocols → Win a Ledger device - Build tooling for ERC-7730 creation/validation - Improve the JSON Creation Tool
🛠️ [L] HARDWARE INTEGRATIONS ⸺ $5,000
🥇
1st place
$3,000
🥈
2nd place
$2,000
Expand Ledger hardware support with the Device Management Kit. Add signers, upstream improvements, or build Discover Live Apps. Example projects: - Implement DMK in popular Web3 connector libraries (ethers.js, wagmi, RainbowKit, web3-react, Reown AppKit, Web3Auth...) - Add a new Signer to the Device Management Kit - Build a Device App (C/Rust) or a Discover Live App
✨ CREATIVITY AWARD ⸺ $1,000
Rewarding surprising, high-impact ideas that change how people build with Ledger.

Qualification Requirements

Show us inventive Ledger tooling, DMK use cases, or Clear Signing flows that transform developer experiences.

Workshop

🛠️ Ledger Direct Connectivity for dApps

Come and experiment the new way of integrating a direct connection with Ledger Hardware Signers.

This workshop is happening in-person

03:30 PM UTC-03 — Friday, Nov 21, 2025 in Workshop Room 4

Jobs