---
title: Bitcoin Seed Backup Device Design
date: 2022-08-13
featureImage: images/blog/privatekeys.png
author: Cincinnatus
authorThumb: /images/author/cincinnatus.jpg 
---

## Lessons learned stress testing dozens of seed phrase backup devices

The seed phrase is like the password opening up the value of a Bitcoin address. If you lose it, you lose the Bitcoin. So, it is imperative, when using self-custodied Bitcoin address, that you have 100% reliable access to your seed phrase.

https://blog.lopp.net/a-treatise-on-bitcoin-seed-backup-device-design/