# Ledger Workshop I Etienne Waldron, Oscar Chaix - Speakers: Etienne Waldron - Channel: [ETHGlobal](https://streameth.org/ethglobal) - Date: 2026-08-09 - Duration: 20:23 - Topics: Ledger, Etienne Waldron, Oscar Chaix, ETHGlobal New York 2026, agentic, AI agents, hardware wallet, secure element, clear signing, trusted display, DMK, device management kit, skills, CLI, Ledger wallet, wallet provider, Fido2, security key, Open PGP, credentials, private keys, prompt injection, human in the loop, Bitcoin, Ethereum, Solana, USDC, swaps, transaction check, Ledger Flex, x402, agent payments, policy-based spending, identity, authentication, trust layer, hackathon, workshop - Watch: https://streameth.org/watch/yt-c2akykLlE6c - YouTube: https://www.youtube.com/watch?v=c2akykLlE6c ## Description In this workshop at ETHGlobal New York 2026, Etienne Waldron (developer relations and product) and Oscar Chaix (product manager) from Ledger present what Ledger is building in the agentic world and lay out the hackathon track. Etienne recaps Ledger, a French company founded in 2014 that makes hardware devices securing cryptocurrencies, having sold over 8 million devices and securing roughly 20% of the world's crypto assets. Its devices are secure by design through a secure element chip and a secure display sitting on top of it, and over 12 years the company has focused on user and developer experience across products like Ledger wallet, clear signing (so users understand what they sign), and the wallet provider for dApp login and signing flows. He frames the new agentic era as one where Ledger is well placed to be the trusted infrastructure. Oscar explains why: agents are useful only if they can act (signing transactions on your behalf), but they are susceptible to prompt injections and hallucinations that can move or lose funds, so Ledger lets you review what an agent is about to do on the trusted display and keeps private keys and credentials in hardware requiring human approval. He walks through the newly launched Ledger agentic stack, built on three pillars: CLIs to interact with a Ledger device from your favorite agent (connect a wallet, check balances, initiate transactions you validate on-device), DMK skills that teach an agent to integrate Ledger into an app or workflow (cutting integration from days or weeks to about five minutes), and apps including a security key app (Fido2 login that gates agent access to sites) and Open PGP for encrypting agent secrets. He live-demos the wallet CLI querying Bitcoin and Ethereum accounts, balances, and gas fees spent, proposing 70/30 ETH/BTC rebalancing swaps that require on-device approval, and simultaneously has Claude integrate the DMK skills into a mock website in about five minutes, showing clear signing and background transaction checks on a connected Ledger Flex. Etienne closes on this year's single track, Agentic x Ledger, with $10,000 in bounties across five prizes for AI products using Ledger as the trust layer (human-in-the-loop for high-risk actions, identity, credential and authentication management, x402 agent payments, and policy-based spending), plus Q&A on lending devices, the emulator, and high-frequency use cases. 00:00 Introduction 00:11 Welcome to the Ledger Workshop 00:33 What Is Ledger 00:59 Why Ledger Devices Are Secure by Design 01:19 The Ledger Product Suite 01:37 Entering the Agentic Era 02:06 Why Agents Need a Trust Layer 02:32 Reviewing Agent Actions on the Device 03:02 The Three Pillars of the Agentic Stack 03:30 DMK Skills for Developers 03:52 Apps: Security Key and Open PGP 04:48 A Mock Site for Agent Transactions 05:21 Asking Claude to Integrate the DMK Skills 05:54 The Wallet CLI Finding Accounts 06:34 Discovering Balances Across Chains 07:26 How the Skills File Is Structured 07:51 Querying Ethereum and Solana Accounts 08:34 Checking Tokens and Gas Fees Spent 09:49 Proposing a 70/30 Rebalancing Swap 10:28 Why Moving Money Needs Device Approval 11:11 Recalculating the Swap Rate 12:11 The Mock Site Now Integrated With DMK 12:32 Handling a Locked Device Gracefully 12:50 Clear Signing and Transaction Check 13:34 Integrating in Minutes 14:21 Executing the Swap 15:12 Recapping What Ledger Launched 15:33 The Agentic x Ledger Track 16:03 Example Use Cases 16:23 Credentials, x402 Payments, and Policy Spending 17:07 The Developer Portal and Docs 17:29 Why Documentation Feedback Matters 17:54 Q&A: Lending Physical Devices 18:30 Q&A: The Emulator vs Real Devices 19:30 Q&A: High-Frequency Use Cases 19:52 Closing _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ *ETHGlobal New York 2026* This workshop is specifically for ETHGlobal New York 2026, a 3-day hackathon held June 12-14 at the Metropolitan Pavilion, bringing together the most skilled web3 developers, designers and product builders from all around the globe for a weekend-long adventure to advance the Ethereum ecosystem! 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