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  3. Classic 1S Pure vs V20

OneKey Classic 1S Pure vs SecuX V20

What Classic 1S Pure does better (15) and where V20 wins (6) — every spec side by side.

OneKey Classic 1S Pure
OneKey · 2025Classic 1S Pure
8.2Score
15 advantages≈ €75
Higher score
vs
SecuX V20
SecuX · 2019V20
6.1Score
6 advantages≈ €90
8.1Security5.5
9.3Open source5.5
6.0Bitcoin features4.3
4.3Ease of use6.1
7.2Connectivity7.2

Why is Classic 1S Pure better than V20?

  1. Open-source firmwareYes · V20: No
  2. Reproducible buildsYes · V20: No
  3. MultisigYes · V20: No
  4. Secure Element certificationEAL6+ vs EAL5+
  5. Source code availableYes · V20: No
  6. Compatible third-party wallets4 vs 0
  7. Weight18 g vs 120 g6.6×
  8. Thickness5.2 mm vs 12 mm2.3×
  9. Brick / wipe PINYes · V20: No
  10. Coin controlYes · V20: No
  11. Own node connectionYes · V20: No
  12. Tor supportYes · V20: No

Why is V20 better than Classic 1S Pure?

  1. TouchscreenNo · Classic 1S Pure: Yes
  2. Screen size2″ vs 2.8″+40%
  3. Duress PIN / decoy walletNo · Classic 1S Pure: Yes
  4. Colour screenNo · Classic 1S Pure: Yes
  5. QWERTY keyboardNo · Classic 1S Pure: Yes
  6. Built-in batteryNo · Classic 1S Pure: Yes
Specifications

Side by side

SecuX V20SecuX V20≈ €906.1
Security
Secure Element chipYesYes
Secure Element certificationEAL6+EAL5+
Air-gapped signingNoNo
100% air-gappedNoNo
Supply-chain & tamper protectionYesYes
Secure boot—Yes
Anti-klepto (anti-exfil) signingNoNo
Firmware & open source
Open-source firmwareYesNo
Source code availableYesNo
Reproducible buildsYesNo
Firmware licenceGPLv3—
Upgradable firmwareYesYes
Firmware update viaUSB, BluetoothBluetooth
Bitcoin-only firmware / editionNoNo
Device lock
PIN lockYesYes
PIN entered on the deviceYesYes
Fingerprint unlockNoNo
Duress PIN / decoy walletNoYes
Brick / wipe PINYesNo
Wipe after failed attemptsYesYes
Time-delayed unlockNoNo
Anti-phishing wordsNoNo
Keys & backup
BIP39 passphraseYesYes
Shamir backup (SLIP-39)NoNo
Seed XORNoNo
BIP85 child seedsNoNo
24-word seedYesYes
SeedQR backupNoNo
microSD backupNoNo
NFC backup cardNoNo
User-added entropy (dice)NoNo
Stateless use (no stored keys)NoNo
Multiple seeds on one deviceNoNo
Bitcoin features
MultisigYesNo
TaprootYesYes
MiniscriptNoNo
Message signing—No
Coin controlYesNo
Own node connectionYesNo
Tor supportYesNo
Replace-by-feeYesNo
Silent PaymentsNoNo
Spending limitsNoNo
TestnetYesNo
Supported assets
Altcoins & tokensYesYes
Bitcoin onlyNoNo
Connectivity
Signing connectivityUSB-C, BluetoothUSB-C, Bluetooth
USBYesYes
USB-CYesYes
BluetoothYesYes
NFCNoNo
QR code cameraNoNo
Animated QR (UR)NoNo
microSD signingNoNo
Screen & input
ScreenYesYes
Screen size2″2.8″
Screen typeOLEDLCD
Screen resolution128 × 64360 × 240
TouchscreenNoYes
Colour screenNoYes
Gorilla GlassNoNo
ControlsButtonsTouch Screen
QWERTY keyboardNoYes
Battery & power
Built-in batteryNoYes
Battery capacity—600 mAh
Removable battery—No
Wireless chargingNoNo
Design
Weight18 g120 g
Length86 mm98 mm
Width52 mm98 mm
Thickness5.2 mm12 mm
MaterialsPlasticAluminum & anti-slip rubber
Water / dust resistanceNoNo
Several colours availableNoNo
Warranty (months)1212
Assembled inHong KongTaiwan
DIY build possibleNoNo
Apps
Official appsWindows, macOS, Linux, Android, iOS, Browser extensionAndroid, iOS
Desktop appYesNo
Mobile appYesYes
Works with wallet appsElectrum, Sparrow, Specter Desktop, Blockstream Green—
Compatible third-party wallets40
Other features
FIDO2 / U2F security keyYesNo
Password managerNoNo
To compare: 0up to 4 models
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