Compare providers
Side-by-side comparison for any two listings. Pick by provider id (e.g. mullvad, ivpn, feather). Updates live as curators re-grade.
| YubiKey 5 | Ghost Chat | |
|---|---|---|
| Category | tools | tools |
| Subcategory | Hardware | Messaging |
| Grade | A | A |
| Editor's Pick | — | ★ yes |
| Tagline | Hardware FIDO2 / U2F / PIV / OpenPGP token. Phishing-resistant 2FA across every account that supports it. | End-to-end encrypted messaging over Nostr relays. PGP-encrypted payloads, no accounts, no servers, no logs. |
| Fees | $50 one-time · physical · WebAuthn/U2F/OpenPGP | Free · MacOS/Win/Linux/Web · PGP over Nostr |
| KYC posture | light_kyc | anonymous_signup |
| Highlight tags | HARDWARE2FAPGP | PGPNOSTRNO-ACCOUNT |
| Feature tags | non_custodial2fa_supportedpgp_supported | non_custodialopen_sourcepgp_supportedself_hostedno_js_supported |
| Web | https://www.yubico.com/products/yubikey-5-overview/ | https://walls.rip/comms |
| Tor | — | — |
| Last verified | 2026-05-13 | 2026-05-13 |