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Frostsnap Device vs TwentyTwo Portal

What Device does better (9) and where Portal wins (7) — every spec side by side.

Frostsnap Device
Frostsnap · 2025Device
5.3Score
9 advantages≈ €110
Higher score
vs
TwentyTwo Portal
TwentyTwo · 2024Portal
3.8Score
7 advantages≈ €100
4.3Security2.3
8.5Open source6.4
3.6Bitcoin features4.3
6.2Ease of use2.3
2.3Connectivity3.0

Why is Device better than Portal?

  1. Reproducible buildsYes · Portal: No
  2. TouchscreenYes · Portal: No
  3. Mobile appYes · Portal: No
  4. Screen size1.69″ vs 0.91″+86%
  5. User-added entropy (dice)Yes · Portal: No
  6. Message signingYes · Portal: No
  7. USBYes · Portal: No
  8. Colour screenYes · Portal: No
  9. Desktop appYes · Portal: No

Why is Portal better than Device?

  1. MultisigNo · Device: Yes
  2. Compatible third-party wallets0 vs 2
  3. 24-word seedNo · Device: Yes
  4. Coin controlNo · Device: Yes
  5. NFCNo · Device: Yes
  6. Weight60 g vs 30 g2×
  7. Thickness9 mm vs 5 mm+80%
Specifications

Side by side

Frostsnap DeviceFrostsnap Device≈ €1105.3
TwentyTwo PortalTwentyTwo Portal≈ €1003.8
Security
Secure Element chipNoNo
Air-gapped signingNoNo
100% air-gappedNoNo
Supply-chain & tamper protection—Yes
Secure bootYes—
Anti-klepto (anti-exfil) signingYes—
Firmware & open source
Open-source firmwareYesYes
Source code availableYesYes
Reproducible buildsYesNo
Firmware licenceMITGPLv3
Upgradable firmwareYesYes
Firmware update viaUSBNFC
Bitcoin-only firmware / editionYesYes
Device lock
PIN lockYesYes
PIN entered on the deviceNoNo
Fingerprint unlock—No
Duress PIN / decoy walletNoNo
Brick / wipe PINNoNo
Wipe after failed attemptsNoNo
Time-delayed unlockNoNo
Anti-phishing wordsNoNo
Keys & backup
BIP39 passphraseNoNo
Shamir backup (SLIP-39)NoNo
Seed XORNoNo
BIP85 child seedsNoNo
24-word seedNoYes
SeedQR backupNoNo
microSD backupNoNo
NFC backup cardNoNo
User-added entropy (dice)YesNo
Stateless use (no stored keys)NoNo
Multiple seeds on one deviceNoNo
Bitcoin features
MultisigNoYes
TaprootYesYes
MiniscriptNoNo
Message signingYesNo
Coin controlNoYes
Own node connectionYesYes
Tor supportYesYes
Replace-by-feeYesYes
Silent PaymentsNoNo
FROST threshold signingYes—
Spending limitsNoNo
TestnetYesYes
Supported assets
Altcoins & tokensNoNo
Bitcoin onlyYesYes
Connectivity
Signing connectivityUSB-CNFC
USBYesNo
USB-CYes—
BluetoothNoNo
NFCNoYes
QR code cameraNoNo
Animated QR (UR)NoNo
microSD signingNoNo
Screen & input
ScreenYesYes
Screen size1.69″0.91″
Screen typeOLEDOLED
Screen resolution240 × 280126 × 64
TouchscreenYesNo
Colour screenYesNo
Gorilla GlassNoNo
ControlsTouch ScreenButton
QWERTY keyboardNoNo
Battery & power
Built-in batteryNoNo
Wireless chargingNo—
Design
Weight60 g30 g
Length42 mm135 mm
Width34 mm65 mm
Thickness9 mm5 mm
MaterialsAluminumPolycarbonate
Water / dust resistanceNoNo
Several colours availableYesNo
Assembled inMalaysiaItaly
DIY build possibleNoYes
Apps
Official appsWindows, macOS, Linux, Android—
Desktop appYesNo
Mobile appYesNo
Works with wallet apps—Nunchuk, Bitcoin Keeper
Compatible third-party wallets02
Other features
FIDO2 / U2F security keyNoNo
Password managerNoNo
To compare: 0up to 4 models
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