Compare

Prokey Optimum or Tangem Wallet?

The exact editions, side by side: how you’ll use them and the limits to know.

Tangem Wallet

One edition

Wallet 2

Add a wallet

Wallet 3

Filters

Your device: Android

Prokey Optimum: This model does not match the current filters.

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In short

Transaction approval (Android) is confirmed only for Tangem Wallet.

Prokey OptimumOne edition

Price at Prokey

Tangem WalletOne edition

Price at Tangem

Android

Your device

Approve transactions: Prokey Optimum:
Support for signing is unconfirmed; Tangem Wallet:
NFCTangem app · Bitcoin / Ethereum
Set up the wallet: Prokey Optimum:
Support for wallet setup is unconfirmed; Tangem Wallet:
NFCTangem app · Bitcoin / Ethereum

Approve transactions

Computer: Prokey Optimum:
USBProkey Wallet · Bitcoin / Ethereum; Tangem Wallet:
Not supported
iPhone: Prokey Optimum:
Support for signing is unconfirmed; Tangem Wallet:
NFCTangem app · Bitcoin / Ethereum

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 cryptocurrencies
Both
Battery: No battery
Both

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

Android · iPhone

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