# dGEN1 The Hardest Hardware Wallet | Markus Haas at Pragma Prague 2025

- Speakers: [Markus Haas](https://streameth.org/speakers/markus-haas)
- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2025-10-09
- Duration: 08:15
- Topics: Markus Haas, Ethos, dGEN1, hardware wallet, account abstraction, smart wallet, EOA, mobile crypto, Android fork, secure enclave, P256, EIP-4337, wallet security, UX improvement, cross-chain, gas management, open-source, crypto adoption, signing interface, Web3 mobile, private key security, recoverability, bundlers, paymasters, Uniswap, wallet fragmentation, blockchain security
- Watch: https://streameth.org/watch/yt-tKq15DSncyg
- YouTube: https://www.youtube.com/watch?v=tKq15DSncyg

## Description

In this talk at Pragma Prague 2025, Markus Haas introduces the dGEN1 hardware wallet from Ethos, designed to revolutionize mobile crypto security. He explains how the device implements account abstraction at the OS level, creating a seamless smart wallet experience across all apps while maintaining EOA compatibility. The presentation covers Ethos's journey from forking Android to developing secure enclave technology, the benefits of their account-abstracted EOA approach, and their vision for making crypto a first-class citizen on mobile devices.

00:00 Introduction to Markus Haas and Ethos
00:56 The mobile crypto UX problem in 2021
01:32 dGEN1 hardware wallet launch
02:09 Account-abstracted EOA concept
02:48 Bridging AA wallets with dApps
03:21 Seamless user experience benefits
03:52 Instant smart wallet setup
04:25 Solving AA fragmentation
05:01 Cross-chain gas management
05:32 Unified wallet across all apps
06:10 Open-source vision for Android
06:48 P256 secure enclave security
07:26 Invisible UX improvements
08:05 Making crypto first-class on mobile

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🇨🇿 *Pragma Prague*
Pragma Prague 2025 was held on May 29th at Holešovice Market in Prague, Czech Republic and was an in-person summit for builders and leaders in the web3 ecosystem. This event was in collaboration with ETH Prague. Watch the full Pragma Prague YouTube Playlist here: 

ETHGlobal's Pragma series takes place in cities around the world, and is designed to be a different kind of event. Pragma is a one-stage conference with founders-only on stage, bringing together a small group of curated attendees and speakers to discuss the future of web3 and reflect on the past. 

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