> For the complete documentation index, see [llms.txt](https://docs.casa.io/wealth-security-protocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.casa.io/wealth-security-protocol/chosen-features.md).

# 🔐Chosen Features

- [Introduction](https://docs.casa.io/wealth-security-protocol/chosen-features/introduction.md)
- [Hardware Wallet Signing](https://docs.casa.io/wealth-security-protocol/chosen-features/hardware-wallet-signing.md)
- [Multi-signature](https://docs.casa.io/wealth-security-protocol/chosen-features/multi-signature.md)
- [Multi-location](https://docs.casa.io/wealth-security-protocol/chosen-features/multi-location.md)
- [Heterogeneous Hardware and Software](https://docs.casa.io/wealth-security-protocol/chosen-features/heterogeneous-hardware-and-software.md)
- [Seedless Hardware Wallets](https://docs.casa.io/wealth-security-protocol/chosen-features/seedless-hardware-wallets.md)
- [Emergency Recovery Key](https://docs.casa.io/wealth-security-protocol/chosen-features/emergency-recovery-key.md)
- [PIN or Biometrics for Mobile Key only](https://docs.casa.io/wealth-security-protocol/chosen-features/pin-or-biometrics-for-mobile-key-only.md)
- [PIN for every device](https://docs.casa.io/wealth-security-protocol/chosen-features/pin-for-every-device.md)
- [Sovereign Recovery Instructions](https://docs.casa.io/wealth-security-protocol/chosen-features/sovereign-recovery-instructions.md)
- [Emergency Lockdown Button](https://docs.casa.io/wealth-security-protocol/chosen-features/emergency-lockdown-button.md)
- [Health Check](https://docs.casa.io/wealth-security-protocol/chosen-features/health-check.md)
- [Identity Verification for Account Recovery](https://docs.casa.io/wealth-security-protocol/chosen-features/identity-verification-for-account-recovery.md)
- [Inheritance](https://docs.casa.io/wealth-security-protocol/chosen-features/inheritance.md)