Compare
Prokey Optimum or BitBox02 Nova?
The exact editions, side by side: how you’ll use them and the limits to know.
Filters
- Your cryptocurrencies: Ethereum
In short
For your selected criteria, transaction approval (iPhone) is confirmed only for BitBox02 Nova.


Choose this edition at the store.
Approve transactions
- Computer
- Prokey Optimum:USBProkey Wallet · Bitcoin / Ethereum
- BitBox02 Nova:USBBitBoxApp · Bitcoin / Ethereum
- iPhone
- Prokey Optimum:Transaction approval not confirmed for your selected criteria
- BitBox02 Nova:BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in
- Android
- Prokey Optimum:Transaction approval not confirmed for your selected criteria
- BitBox02 Nova:USBBitBoxApp · Bitcoin / EthereumPhone needs USB OTG
Where they differ
- Wallet recovery
- Prokey Optimum:Recovery phrase
- BitBox02 Nova:microSD backup and recovery phrase
What they have in common
- Cryptocurrencies
- Multiple cryptocurrenciesBoth
- Operating power
- USB powerBoth
Not fully confirmed
- Controls / Display
- Prokey Optimum:Physical buttonsDisplay · Touchscreen: Not confirmed
- BitBox02 Nova:Touch sensorsDisplay: Display without touch input
- Battery
- Prokey Optimum:No battery
- BitBox02 Nova:Not recorded
Before you choose
Apps and requirements
Show detailsHide details
Computer
Connection requirements
Use Google Chrome and allow USB access to Prokey Wallet. Install the device firmware there before first use. Linux may also need Prokey’s USB permissions rule. Check the payment on Prokey and hold OK to approve.
Computer
Connection requirements
Ethereum requires the Multi edition. A Bitcoin-only hardware edition cannot be converted to Multi.
iPhone
Connection requirements
With an iPhone, plug BitBox02 Nova into the phone or another suitable power source. It uses Bluetooth to exchange data. Ethereum needs the Multi edition; the Bitcoin-only edition cannot be changed to Multi.
Android
Connection requirements
Your Android phone needs USB OTG support to connect to Nova over USB. Ethereum requires the Multi edition; a Bitcoin-only device cannot be changed to Multi.
Hardware detailsDifferent: 2 · Same: 2 · Not fully recorded: 8Show details (12)Hide details
Display
- Display type
- OLEDBoth
- Resolution
- Prokey Optimum:Not recorded
- BitBox02 Nova:128 × 64 px
- Colour mode
- Prokey Optimum:Not recorded
- BitBox02 Nova:Monochrome
Size and weight
- Dimensions
- Prokey Optimum:50 × 41 × 9.4 mmDimensions as listed by the manufacturer
- BitBox02 Nova:54.5 × 25.4 × 9.6 mmDimensions as listed by the manufacturer · Includes the connector
- Device weight
- Prokey Optimum:16.7 g
- BitBox02 Nova:13 g
Materials and finish
- Materials
- Prokey Optimum:Body: ABS
- BitBox02 Nova:Not recorded
Device connections
- USB port
- USB-CBoth
- Memory card slot
- Prokey Optimum:Not recorded
- BitBox02 Nova:microSD
Security and software
- Security chip
- Prokey Optimum:Not recorded
- BitBox02 Nova:OPTIGA Trust M V3
Processor
- Core and clock speed
- Prokey Optimum:Not recorded
- BitBox02 Nova:Cortex-M4F · 120 MHz
- Controllers
- Prokey Optimum:Not recorded
- BitBox02 Nova:ATSAMD51J20A · DA14531
Key dates
- Announced
- Prokey Optimum:Not recorded
- BitBox02 Nova:June 20, 2025
Official stores

Choose this edition at the store.
Documentation checked Sep 29, 2026
Keep comparing
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Wallet pairs
- BitBox02 Nova vs Ledger Flex: compact or touchscreen?Compare BitBox02 Nova and Ledger Flex for iPhone signing, screen controls, power, supported assets and microSD versus recovery-word backups.
- BitBox02 or BitBox02 Nova?Compare the original BitBox02 with Nova. iPhone support is the first difference to check; edition and backup still matter.
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