DEVCON0 self-introduction
Alex van de Sande is the UX designer who conceived the Mist browser and co-created the Ethereum Wallet—the first dapp on Ethereum. Working from Rio de Janeiro, he designed the vision for how end users would interact with decentralized applications.
The Mist Browser Vision
Alex joined the Ethereum Foundation in late 2014 and presented his Mist browser concept in November 2014. Christoph Jentzsch described the impact of that vision:
"The Mist browser—I think there's a video by Alex Van de Sande… this also really made us understand how Ethereum could work for the end user." — Christoph Jentzsch (Episode 6)
When Fabian Vogelsteller showed up at the Berlin office with single-page app expertise, Alex saw the developer who could help build his vision and recruited him directly:
"Alex Van de Sande is the one who came on board as the UX designer also just a month before me. And he had this whole idea of creating this Mist browser concept… when Alex heard about that there's this guy that came up here that can build single page apps, then Alex thought, oh, that could be the person who can help with building the Mist browser." — Fabian Vogelsteller (Episode 12)
Building the Ethereum Wallet
Together with Fabian, Alex built the first working version of Mist in roughly three months, releasing the Ethereum Wallet with mainnet on July 31, 2015. Fabian credited Alex as the ideas person behind the project:
"I built with Alex the Ethereum Wallet which was the first ever dapp on Ethereum. Like the proper done, designed, cross-client functional thing." — Fabian Vogelsteller (Episode 12)
Alex worked remotely from Rio de Janeiro, Brazil, with a three to five hour time difference from the Berlin office where Fabian was based.
Sunsetting Mist
Alex sunset Mist in March 2019 for usability and security reasons, after the browser was overtaken by MetaMask's browser extension approach. But Fabian notes that many of the ideas in Alex's original Mist concept video have still not been fully realized.
Primary Sources
This profile draws from:
- Episode 6 with Christoph Jentzsch on the Mist browser's impact
- Episode 12 with Fabian Vogelsteller on building Mist together
- The Mist article for team composition
Back-links
Other pages that reference this:
- Ethersphere (Articles, March 14, 2014)
- Stiftung Ethereum (Articles, July 14, 2014)
- Gav's ÐΞV Update I: Where Ethereum's at (Articles, October 17, 2014)
- ÐΞV Amsterdam (Articles, November 01, 2014)
- Jeff's Ethereum ÐΞV Update I (Articles, November 02, 2014)
- Ethereum presents Mist (Videos, November 12, 2014)
- DEVCON0 (Articles, November 24, 2014)
- ÐΞVcon-0 Recap (Articles, December 05, 2014)
- DEVCON1 Agenda (Articles, November 09, 2015)
- Early Days of Ethereum - Episode 7 - Jacob Czepluch (Videos, December 03, 2025)
- Early Days of Ethereum - Episode 10 - Viktor Trón (Videos, January 21, 2026)
- Early Days of Ethereum - Episode 11 - Ryan Taylor (Videos, February 04, 2026)
- Early Days of Ethereum - Episode 12 - Alex van de Sande (Videos, February 11, 2026)
- Early Days of Ethereum - Episode 12 - Fabian Vogelsteller (Videos, February 25, 2026)
- Geth (Articles)
- Mist (Articles)
- Christoph Jentzsch (People)
- Fabian Vogelsteller (People)
- Jacob Czepluch (People)
- Jeff Wilcke (People)
- Luca Zeug (People)
- Viktor Tron (People)