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- Compare
- Device vs Portal
Frostsnap Device vs TwentyTwo Portal
What Device does better (9) and where Portal wins (7) — every spec side by side.
Why is Device better than Portal?
- Reproducible buildsYes · Portal: No
- TouchscreenYes · Portal: No
- Mobile appYes · Portal: No
- Screen size1.69″ vs 0.91″+86%
- User-added entropy (dice)Yes · Portal: No
- Message signingYes · Portal: No
- USBYes · Portal: No
- Colour screenYes · Portal: No
- Desktop appYes · Portal: No
Why is Portal better than Device?
- MultisigNo · Device: Yes
- Compatible third-party wallets0 vs 2
- 24-word seedNo · Device: Yes
- Coin controlNo · Device: Yes
- NFCNo · Device: Yes
- Weight60 g vs 30 g2×
- Thickness9 mm vs 5 mm+80%
Specifications
Side by side
| Security | ||
| Secure Element chip | No | No |
| Air-gapped signing | No | No |
| 100% air-gapped | No | No |
| Supply-chain & tamper protection | — | Yes |
| Secure boot | Yes | — |
| Anti-klepto (anti-exfil) signing | Yes | — |
| Firmware & open source | ||
| Open-source firmware | Yes | Yes |
| Source code available | Yes | Yes |
| Reproducible builds | Yes | No |
| Firmware licence | MIT | GPLv3 |
| Upgradable firmware | Yes | Yes |
| Firmware update via | USB | NFC |
| Bitcoin-only firmware / edition | Yes | Yes |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | No | No |
| Fingerprint unlock | — | No |
| Duress PIN / decoy wallet | No | No |
| Brick / wipe PIN | No | No |
| Wipe after failed attempts | No | No |
| Time-delayed unlock | No | No |
| Anti-phishing words | No | No |
| Keys & backup | ||
| BIP39 passphrase | No | No |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | No | No |
| BIP85 child seeds | No | No |
| 24-word seed | No | Yes |
| SeedQR backup | No | No |
| microSD backup | No | No |
| NFC backup card | No | No |
| User-added entropy (dice) | Yes | No |
| Stateless use (no stored keys) | No | No |
| Multiple seeds on one device | No | No |
| Bitcoin features | ||
| Multisig | No | Yes |
| Taproot | Yes | Yes |
| Miniscript | No | No |
| Message signing | Yes | No |
| Coin control | No | Yes |
| Own node connection | Yes | Yes |
| Tor support | Yes | Yes |
| Replace-by-fee | Yes | Yes |
| Silent Payments | No | No |
| FROST threshold signing | Yes | — |
| Spending limits | No | No |
| Testnet | Yes | Yes |
| Supported assets | ||
| Altcoins & tokens | No | No |
| Bitcoin only | Yes | Yes |
| Connectivity | ||
| Signing connectivity | USB-C | NFC |
| USB | Yes | No |
| USB-C | Yes | — |
| Bluetooth | No | No |
| NFC | No | Yes |
| QR code camera | No | No |
| Animated QR (UR) | No | No |
| microSD signing | No | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 1.69″ | 0.91″ |
| Screen type | OLED | OLED |
| Screen resolution | 240 × 280 | 126 × 64 |
| Touchscreen | Yes | No |
| Colour screen | Yes | No |
| Gorilla Glass | No | No |
| Controls | Touch Screen | Button |
| QWERTY keyboard | No | No |
| Battery & power | ||
| Built-in battery | No | No |
| Wireless charging | No | — |
| Design | ||
| Weight | 60 g | 30 g |
| Length | 42 mm | 135 mm |
| Width | 34 mm | 65 mm |
| Thickness | 9 mm | 5 mm |
| Materials | Aluminum | Polycarbonate |
| Water / dust resistance | No | No |
| Several colours available | Yes | No |
| Assembled in | Malaysia | Italy |
| DIY build possible | No | Yes |
| Apps | ||
| Official apps | Windows, macOS, Linux, Android | — |
| Desktop app | Yes | No |
| Mobile app | Yes | No |
| Works with wallet apps | — | Nunchuk, Bitcoin Keeper |
| Compatible third-party wallets | 0 | 2 |
| Other features | ||
| FIDO2 / U2F security key | No | No |
| Password manager | No | No |







