# Toughkey™ *Category: Phantom Secrets™.* Certified hardware (FIPS / Common Criteria smartcard or USB form factor) that anchors Phantom Secrets in a tamper-resistant environment. Binds identity to device and ensures secrets are only ever reconstructed inside hardware. **Read more:** [/products/toughkey](https://www.lokblok.co/products/toughkey) ## Related terms in Phantom Secrets™ - [Phantomizing](https://www.lokblok.co/glossary/phantomizing) - [Regen Tokens](https://www.lokblok.co/glossary/regen-tokens) - [Ephemeral](https://www.lokblok.co/glossary/ephemeral) - [Multi-Party Computation (MPC)](https://www.lokblok.co/glossary/multi-party-computation) - [Threshold Secret Sharing (TSShr)](https://www.lokblok.co/glossary/threshold-secret-sharing) - [Threshold Signature Scheme (TSSig)](https://www.lokblok.co/glossary/threshold-signature-scheme) - [Hierarchical Signatures](https://www.lokblok.co/glossary/hierarchical-signatures) - [Business-Logic-Enforced Cryptography](https://www.lokblok.co/glossary/business-logic-enforced-cryptography) [← Back to glossary](https://www.lokblok.co/glossary)