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- X1 vs Flex
Cypherock X1 vs Ledger Flex
What X1 does better (4) and where Flex wins (19) — every spec side by side.
Why is X1 better than Flex?
- Reproducible buildsYes · Flex: No
- Source code availableYes · Flex: No
- Bitcoin-only firmware / editionYes · Flex: No
- Shamir backup (SLIP-39)Yes · Flex: No
Why is Flex better than X1?
- MultisigNo · X1: Yes
- Screen size0.96″ vs 2.84″3×
- MiniscriptNo · X1: Yes
- TouchscreenNo · X1: Yes
- Mobile appNo · X1: Yes
- Compatible third-party wallets0 vs 11
- Weight200 g vs 58 g3.5×
- Wipe after failed attemptsNo · X1: Yes
- Message signingNo · X1: Yes
- Coin controlNo · X1: Yes
- Own node connectionNo · X1: Yes
- Tor supportNo · X1: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | Yes |
| Secure Element certification | EAL6+ | EAL6+ |
| Air-gapped signing | No | No |
| 100% air-gapped | No | No |
| Supply-chain & tamper protection | Yes | Yes |
| Anti-klepto (anti-exfil) signing | No | No |
| Firmware & open source | ||
| Open-source firmware | No | No |
| Source code available | Yes | No |
| Reproducible builds | Yes | No |
| Firmware licence | MIT + anti-sell clause | Limited Use |
| Upgradable firmware | Yes | Yes |
| Firmware update via | USB | Bluetooth |
| Bitcoin-only firmware / edition | Yes | No |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | Yes | Yes |
| Fingerprint unlock | No | No |
| Duress PIN / decoy wallet | Yes | Yes |
| Brick / wipe PIN | No | No |
| Wipe after failed attempts | No | Yes |
| Time-delayed unlock | Yes | No |
| Anti-phishing words | No | No |
| Keys & backup | ||
| BIP39 passphrase | Yes | Yes |
| Shamir backup (SLIP-39) | Yes | 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 | Yes | Yes |
| User-added entropy (dice) | No | No |
| Stateless use (no stored keys) | No | No |
| Multiple seeds on one device | Yes | No |
| Bitcoin features | ||
| Multisig | No | Yes |
| Taproot | Yes | Yes |
| Miniscript | No | Yes |
| Message signing | No | Yes |
| Coin control | No | Yes |
| Own node connection | No | Yes |
| Tor support | No | Yes |
| Replace-by-fee | No | Yes |
| Silent Payments | No | No |
| Spending limits | No | No |
| Testnet | No | Yes |
| Supported assets | ||
| Altcoins & tokens | Yes | Yes |
| Bitcoin only | No | No |
| Connectivity | ||
| Signing connectivity | USB-C | USB-C, Bluetooth, NFC |
| USB | Yes | Yes |
| USB-C | Yes | Yes |
| Bluetooth | No | Yes |
| NFC | No | Yes |
| QR code camera | No | No |
| Animated QR (UR) | No | No |
| microSD signing | No | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 0.96″ | 2.84″ |
| Screen type | OLED | E-Ink |
| Screen resolution | 128 × 64 | 600 × 480 |
| Touchscreen | No | Yes |
| Colour screen | No | No |
| Gorilla Glass | No | Yes |
| Controls | Buttons | Touch Screen |
| QWERTY keyboard | No | — |
| Battery & power | ||
| Built-in battery | No | Yes |
| Battery capacity | — | 200 mAh |
| Removable battery | — | No |
| Wireless charging | No | No |
| Design | ||
| Weight | 200 g | 58 g |
| Length | 64 mm | 78.4 mm |
| Width | 30 mm | 56.5 mm |
| Thickness | 15 mm | 7.7 mm |
| Materials | Plastic | Plastic & Aluminum |
| Water / dust resistance | No | No |
| Several colours available | No | Yes |
| Warranty (months) | 12 | 24 |
| Assembled in | India | Vietnam |
| DIY build possible | No | No |
| Apps | ||
| Official apps | Windows, macOS, Linux | Windows, macOS, Linux, Android, iOS |
| Desktop app | Yes | Yes |
| Mobile app | No | Yes |
| Works with wallet apps | — | Bitcoin Safe, Theya, Wasabi, Nunchuk, Electrum, Sparrow, Specter Desktop, Blockstream Green, BlueWallet, Bitcoin Keeper, Liana |
| Compatible third-party wallets | 0 | 11 |
| Other features | ||
| FIDO2 / U2F security key | No | Yes |
| Password manager | No | Yes |
