What are the best open source hardware security keys for crypto users who want top security without paying premium brand prices?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the best open source hardware security keys for crypto users who want top security without paying premium brand prices?
1 real search · 1 real-search pass
open source hardware security keys FIDO2 Nitrokey OnlyKey SoloKeys comparison 2026Google ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
open source hardware security keys FIDO2 Nitrokey OnlyKey SoloKeys comparison 2026 Google ↗
- SoloKeys · solokeys.com
- GitHub source code · github.com
- SoloKeys · u2f.garden
- GitHub - todun/solo: Solo: open security key supporting FIDO2 & U2F over USB + NFC · github.com
- Nitrokey · nitrokey.com
- GitHub source code · github.com
- Open Source Hardware Guide: Devices You Can Actually Trust · stateofsurveillance.org
- GitHub - Nitrokey/nitrokey-fido2-firmware: FIDO2 USB token optimized for security, extensibility, and style. A fork of Solo key. · github.com
- 2-factor auth with FIDO2 keys · korg.docs.kernel.org
- OnlyKey · onlykey.io
- GitHub source code · github.com
- Best Hardware Security Keys 2026: YubiKey vs Titan · smartsecurehaven.com