

ProkeyMulti-coin hardware wallet
Prokey Optimum
Prokey Optimum is a multi-coin hardware wallet released in 2020. Key specs: secure element chip, open-source firmware, signing connectivity USB, screen size 0.96″.
5.0Score
Security6.5
Open source8.6
Bitcoin features2.9
Ease of use2.4
Connectivity2.5
price range€55–75Reference price converted from USD
- Year
- 2020
- Brand
Prokey- Popularity
- #47 of 141
YesSecure Element chip
YesOpen-source firmware
NoAir-gapped signing
USBSigning connectivity
0.96″Screen size
NoBuilt-in battery
17 gWeight
Spec guide
How it ranks among multi-coin hardware wallets
Compared with every model of this kind in the catalog.
compared with other multi-coin hardware wallets
Why is Optimum a good choice?
Weight: 17 gbetter than 70% of multi-coin hardware wallets
Weak points
Screen size: 0.96″worse than 100% of multi-coin hardware wallets
Compatible third-party wallets: 0worse than 100% of multi-coin hardware wallets
Specifications
Full specifications
Security
- Secure Element chip
- Yes
- Air-gapped signing
- No
- 100% air-gapped
- No
- Supply-chain & tamper protection
- Yes
- Anti-klepto (anti-exfil) signing
- No
Firmware & open source
- Open-source firmware
- Yes
- Source code available
- Yes
- Reproducible builds
- No
- Firmware licence
- Lesser GPLv3
- Upgradable firmware
- Yes
- Firmware update via
- USB
- Bitcoin-only firmware / edition
- No
Device lock
- PIN lock
- Yes
- PIN entered on the device
- Yes
- Fingerprint unlock
- No
- Duress PIN / decoy wallet
- No
- Brick / wipe PIN
- Yes
- Wipe after failed attempts
- Yes
- Time-delayed unlock
- No
- Anti-phishing words
- No
Keys & backup
- BIP39 passphrase
- Yes
- Shamir backup (SLIP-39)
- No
- Seed XOR
- No
- BIP85 child seeds
- No
- 24-word seed
- Yes
- SeedQR backup
- No
- microSD backup
- No
- NFC backup card
- No
- User-added entropy (dice)
- No
- Stateless use (no stored keys)
- No
- Multiple seeds on one device
- No
Bitcoin features
- Multisig
- No
- Miniscript
- No
- Message signing
- No
- Coin control
- No
- Own node connection
- No
- Tor support
- No
- Replace-by-fee
- No
- Silent Payments
- No
- Spending limits
- No
- Testnet
- Yes
Supported assets
- Altcoins & tokens
- Yes
- Bitcoin only
- No
Connectivity
- USB
- Yes
- USB-C
- No
- Bluetooth
- No
- NFC
- No
- QR code camera
- No
- Animated QR (UR)
- No
- microSD signing
- No
Screen & input
- Screen
- Yes
- Screen size
- 0.96″
- Screen type
- LCD
- Screen resolution
- 128 × 64
- Touchscreen
- No
- Colour screen
- No
- Gorilla Glass
- No
- Controls
- Buttons
- QWERTY keyboard
- No
Battery & power
- Built-in battery
- No
- Wireless charging
- No
Design
- Weight
- 17 g
- Length
- 50 mm
- Width
- 41 mm
- Thickness
- 9.4 mm
- Materials
- Plastic
- Water / dust resistance
- No
- Several colours available
- No
- Warranty (months)
- 12
- DIY build possible
- No
Apps
- Desktop app
- No
- Mobile app
- No
- Compatible third-party wallets
- 0
Other features
- FIDO2 / U2F security key
- Yes
- Password manager
- No
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.













