- isse.eu.com
- Compare
- 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.
vs
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?
- Open-source firmwareYes · V20: No
- Reproducible buildsYes · V20: No
- MultisigYes · V20: No
- Secure Element certificationEAL6+ vs EAL5+
- Source code availableYes · V20: No
- Compatible third-party wallets4 vs 0
- Weight18 g vs 120 g6.6×
- Thickness5.2 mm vs 12 mm2.3×
- Brick / wipe PINYes · V20: No
- Coin controlYes · V20: No
- Own node connectionYes · V20: No
- Tor supportYes · V20: No
Why is V20 better than Classic 1S Pure?
- TouchscreenNo · Classic 1S Pure: Yes
- Screen size2″ vs 2.8″+40%
- Duress PIN / decoy walletNo · Classic 1S Pure: Yes
- Colour screenNo · Classic 1S Pure: Yes
- QWERTY keyboardNo · Classic 1S Pure: Yes
- Built-in batteryNo · Classic 1S Pure: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | Yes |
| Secure Element certification | EAL6+ | EAL5+ |
| Air-gapped signing | No | No |
| 100% air-gapped | No | No |
| Supply-chain & tamper protection | Yes | Yes |
| Secure boot | — | Yes |
| Anti-klepto (anti-exfil) signing | No | No |
| Firmware & open source | ||
| Open-source firmware | Yes | No |
| Source code available | Yes | No |
| Reproducible builds | Yes | No |
| Firmware licence | GPLv3 | — |
| Upgradable firmware | Yes | Yes |
| Firmware update via | USB, Bluetooth | Bluetooth |
| Bitcoin-only firmware / edition | No | No |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | Yes | Yes |
| Fingerprint unlock | No | No |
| Duress PIN / decoy wallet | No | Yes |
| Brick / wipe PIN | Yes | No |
| Wipe after failed attempts | Yes | Yes |
| Time-delayed unlock | No | No |
| Anti-phishing words | No | No |
| Keys & backup | ||
| BIP39 passphrase | Yes | Yes |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | No | No |
| BIP85 child seeds | No | No |
| 24-word seed | Yes | Yes |
| SeedQR backup | No | No |
| microSD backup | No | No |
| NFC backup card | No | No |
| User-added entropy (dice) | No | No |
| Stateless use (no stored keys) | No | No |
| Multiple seeds on one device | No | No |
| Bitcoin features | ||
| Multisig | Yes | No |
| Taproot | Yes | Yes |
| Miniscript | No | No |
| Message signing | — | No |
| Coin control | Yes | No |
| Own node connection | Yes | No |
| Tor support | Yes | No |
| Replace-by-fee | Yes | No |
| Silent Payments | No | No |
| Spending limits | No | No |
| Testnet | Yes | No |
| Supported assets | ||
| Altcoins & tokens | Yes | Yes |
| Bitcoin only | No | No |
| Connectivity | ||
| Signing connectivity | USB-C, Bluetooth | USB-C, Bluetooth |
| USB | Yes | Yes |
| USB-C | Yes | Yes |
| Bluetooth | Yes | Yes |
| NFC | No | No |
| QR code camera | No | No |
| Animated QR (UR) | No | No |
| microSD signing | No | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 2″ | 2.8″ |
| Screen type | OLED | LCD |
| Screen resolution | 128 × 64 | 360 × 240 |
| Touchscreen | No | Yes |
| Colour screen | No | Yes |
| Gorilla Glass | No | No |
| Controls | Buttons | Touch Screen |
| QWERTY keyboard | No | Yes |
| Battery & power | ||
| Built-in battery | No | Yes |
| Battery capacity | — | 600 mAh |
| Removable battery | — | No |
| Wireless charging | No | No |
| Design | ||
| Weight | 18 g | 120 g |
| Length | 86 mm | 98 mm |
| Width | 52 mm | 98 mm |
| Thickness | 5.2 mm | 12 mm |
| Materials | Plastic | Aluminum & anti-slip rubber |
| Water / dust resistance | No | No |
| Several colours available | No | No |
| Warranty (months) | 12 | 12 |
| Assembled in | Hong Kong | Taiwan |
| DIY build possible | No | No |
| Apps | ||
| Official apps | Windows, macOS, Linux, Android, iOS, Browser extension | Android, iOS |
| Desktop app | Yes | No |
| Mobile app | Yes | Yes |
| Works with wallet apps | Electrum, Sparrow, Specter Desktop, Blockstream Green | — |
| Compatible third-party wallets | 4 | 0 |
| Other features | ||
| FIDO2 / U2F security key | Yes | No |
| Password manager | No | No |









