How we scoreBlogAdvertise
  1. isse.eu.com
  2. Compare
  3. Passport Prime vs 3 Pro

Foundation Passport Prime vs Keystone 3 Pro

What Passport Prime does better (11) and where 3 Pro wins (5) — every spec side by side.

Foundation Passport Prime
Foundation · 2025Passport Prime
9.3Score
11 advantages≈ €320
Higher score
vs
Keystone 3 Pro
Keystone · 20233 Pro
8.5Score
5 advantages≈ €140
8.3Security9.3
8.8Open source8.8
9.3Bitcoin features8.3
8.3Ease of use9.3
9.3Connectivity7.4

Why is Passport Prime better than 3 Pro?

  1. Compatible third-party wallets14 vs 11+27%
  2. Anti-phishing wordsYes · 3 Pro: No
  3. BIP85 child seedsYes · 3 Pro: No
  4. SeedQR backupYes · 3 Pro: No
  5. microSD backupYes · 3 Pro: No
  6. BluetoothYes · 3 Pro: No
  7. Water / dust resistanceYes · 3 Pro: No
  8. FIDO2 / U2F security keyYes · 3 Pro: No
  9. Thickness11 mm vs 12.9 mm+17%
  10. Weight93 g vs 103 g+11%
  11. Battery capacity1,100 mAh vs 1,000 mAh+10%

Why is 3 Pro better than Passport Prime?

  1. Bitcoin-only firmware / editionNo · Passport Prime: Yes
  2. Fingerprint unlockNo · Passport Prime: Yes
  3. Duress PIN / decoy walletNo · Passport Prime: Yes
  4. Warranty (months)12 vs 242×
  5. Screen size3.5″ vs 4″+14%
Specifications

Side by side

Keystone 3 ProKeystone 3 Pro≈ €1408.5
Security
Secure Element chipYesYes
Air-gapped signingYesYes
100% air-gappedYesYes
Supply-chain & tamper protectionYesYes
Secure bootYesYes
Anti-klepto (anti-exfil) signingNoNo
Firmware & open source
Open-source firmwareYesYes
Source code availableYesYes
Reproducible buildsYesYes
Firmware licenceGPLv3MIT
Upgradable firmwareYesYes
Firmware update viaBluetoothUSB, microSD
Bitcoin-only firmware / editionNoYes
Device lock
PIN lockYesYes
PIN entered on the deviceYesYes
Fingerprint unlockNoYes
Duress PIN / decoy walletNoYes
Brick / wipe PINNoNo
Wipe after failed attemptsYesYes
Time-delayed unlockNoNo
Anti-phishing wordsYesNo
Keys & backup
BIP39 passphraseYesYes
Shamir backup (SLIP-39)YesYes
Seed XORNoNo
BIP85 child seedsYesNo
24-word seedYesYes
SeedQR backupYesNo
microSD backupYesNo
NFC backup cardNoNo
User-added entropy (dice)YesYes
Stateless use (no stored keys)YesNo
Multiple seeds on one deviceYesYes
Bitcoin features
MultisigYesYes
TaprootYesYes
MiniscriptNoNo
Message signingYesYes
Coin controlYesYes
Own node connectionYesYes
Tor supportYesYes
Replace-by-feeYesYes
Silent PaymentsNoNo
Spending limitsNoNo
TestnetYesYes
Supported assets
Altcoins & tokensYesYes
Bitcoin onlyNoNo
Connectivity
Signing connectivityBluetooth, QR code, microSDQR code, microSD
USBNoNo
USB-CYesYes
BluetoothYesNo
NFCNoNo
QR code cameraYesYes
Animated QR (UR)YesYes
microSD signingYesYes
Screen & input
ScreenYesYes
Screen size3.5″4″
Screen typeIPSLCD
Screen resolution480 × 800800 × 480
TouchscreenYesYes
Colour screenYesYes
Gorilla GlassYesNo
ControlsTouch ScreenTouch Screen
QWERTY keyboardYesYes
Battery & power
Built-in batteryYesYes
Battery capacity1,100 mAh1,000 mAh
Removable batteryNoNo
Wireless chargingNoNo
Design
Weight93 g103 g
Length104 mm103.9 mm
Width55.5 mm62.5 mm
Thickness11 mm12.9 mm
MaterialsAluminiumFiberglass
Water / dust resistanceYesNo
Several colours availableYesNo
Warranty (months)1224
Assembled inUSAChina
DIY build possibleNoNo
Apps
Official appsAndroid, iOSAndroid, iOS
Desktop appNoNo
Mobile appYesYes
Works with wallet appsBitcoin Safe, Theya, Wasabi, Zeus, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, Blockstream Green, BlueWallet, Bitcoin Keeper, Bull, CasaBitcoin Safe, Wasabi, Zeus, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, BlueWallet, Bitcoin Keeper, Bull
Compatible third-party wallets1411
Other features
FIDO2 / U2F security keyYesNo
Password managerNoNo
To compare: 0up to 4 models
Compare