Compare
Prokey Optimum or Tangem Wallet?
The exact editions, side by side: how you’ll use them and the limits to know.
Filters
- Connection for signing: USB
Tangem Wallet: This model does not match the current filters.
In short
For your selected criteria, transaction approval (Computer) is confirmed only for Prokey Optimum.


Approve transactions
- Computer
- Prokey Optimum:USBProkey Wallet · Bitcoin / Ethereum
- Tangem Wallet:Not supported
- iPhone
- Prokey Optimum:Transaction approval not confirmed for your selected criteria
- Tangem Wallet:Transaction approval not confirmed for your selected criteria
- Android
- Prokey Optimum:Transaction approval not confirmed for your selected criteria
- Tangem Wallet:Transaction approval not confirmed for your selected criteria
Where they differ
- Wallet recovery
- Prokey Optimum:Recovery phrase
- Tangem Wallet:Backup cards
- Operating power
- Prokey Optimum:USB power
- Tangem Wallet:Powered by NFC
What they have in common
- Cryptocurrencies
- Multiple cryptocurrenciesBoth
- Battery
- No batteryBoth
Not fully confirmed
- Controls / Display
- Prokey Optimum:Physical buttonsDisplay · Touchscreen: Not confirmed
- Tangem Wallet:No controls on the walletDisplay: No device display
Before you choose
Consider
Prokey OptimumInitial setup and firmware updates use Chrome on a computer. Recovery uses your 24 words on Prokey; a passphrase-protected wallet also needs its exact passphrase.
Tangem WalletNeeds a compatible NFC phone; transaction details are checked on the phone, not an independent device screen.
Apps and requirements
Show detailsHide details
Connectivity
Prokey Optimum
Computer
Prokey WalletUSBBitcoin / EthereumWindows · macOS · Linux
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.
Tangem Wallet
iPhone · Android
Tangem appNFCBitcoin / Ethereum
Connection requirements
You need a compatible NFC phone and supported versions of its operating system and wallet app. You check the transaction details on the phone.
Hardware detailsDifferent: 3 · Same: 0 · Not fully recorded: 5Show details (8)Hide details
Prokey OptimumTangem Wallet
Display
- Display type
- Prokey Optimum:OLED
- Tangem Wallet:No built-in display
Size and weight
- Dimensions
- Prokey Optimum:50 × 41 × 9.4 mmDimensions as listed by the manufacturer
- Tangem Wallet:Sources disagreeTangem’s specifications list 85.6 × 54 × 1 mm; its Ring and card comparison lists 85.5 × 54 × 0.88 mm.
- Device weight
- Prokey Optimum:16.7 g
- Tangem Wallet:6 g
Materials and finish
- Materials
- Prokey Optimum:Body: ABS
- Tangem Wallet:Body: Plastic
Device connections
- USB port
- Prokey Optimum:USB-C
- Tangem Wallet:Not recorded
Security and software
- Security chip
- Prokey Optimum:Not recorded
- Tangem Wallet:CC EAL6+
Operating conditions
- Operating temperature
- Prokey Optimum:Not recorded
- Tangem Wallet:-25 °C … 50 °C
Protection
- Dust and water protection
- Prokey Optimum:Not recorded
- Tangem Wallet:IP69K
Official stores
Next steps
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