# Physical Seed Phrase Security Microdots 101

- Channel: [Devcon](https://streameth.org/devcon)
- Date: 2025-05-23
- Duration: 01:06
- Topics: blockchain, smart contracts, distributed ledger, ethereum, Science & Technology
- Watch: https://streameth.org/watch/yt-CThvt1kRfyI
- YouTube: https://www.youtube.com/watch?v=CThvt1kRfyI

## Description

Security researcher jseam shares how microdots—a classic espionage tool—can solve crypto’s key-custody headache by hiding an Ethereum seed phrase in plain sight.