# Steffen Kux-Don’t Trust.Verify.Hide: Trustless Security &Pragmatic Privacy for Ethereum Applications

- Speakers: [Steffen Kux](https://streameth.org/speakers/steffen-kux)
- Channel: [ETHCluj Meetup](https://streameth.org/ethcluj-meetup)
- Date: 2026-06-09
- Duration: 31:12
- Watch: https://streameth.org/watch/yt-z-gO39j_dqg
- YouTube: https://www.youtube.com/watch?v=z-gO39j_dqg

## Description

Ethereum is trustless - applications are not. RPCs, unverified state, and supply chain risks introduce critical vulnerabilities. This talk shows how stateless verification and pragmatic privacy enable fully verifiable, self-sovereign applications.