Compare

Block Bitkey or Trezor Safe 3?

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

Trezor Safe 3

Wallet 2

Add a wallet

Wallet 3

Filters

Connection for signing: QR

Block Bitkey: This model does not match the current filters.

Trezor Safe 3: This model does not match the current filters.

@media(max-width:700px){.stage-comparison [data-column]{display:block!important;order:initial!important}.stage-comparison .stage-row{grid-template-columns:repeat(var(--comparison-columns),minmax(0,1fr))}.stage-comparison .stage-table-head>.stage-label,.stage-comparison .stage-column-chips{display:none}.stage-comparison .stage-table{--rule-columns:var(--comparison-columns)}.stage-comparison .stage-note-name{position:static;width:auto;height:auto;clip-path:none}.stage-comparison .stage-colhead{display:flex!important}.stage-comparison .stage-label{grid-column:1/-1}.stage-comparison .stage-store-row{grid-template-columns:1fr}.stage-comparison .stage-hardware .hardware-row{grid-template-columns:repeat(var(--comparison-columns),minmax(0,1fr));display:grid}.stage-comparison .stage-hardware .hardware-row dt{grid-column:1/-1}.stage-comparison .stage-hardware.no-mobile-data,.stage-comparison .stage-hardware .hardware-group.no-mobile-data{display:block}} /* Only the real no-script, compact, three-selection view uses named full-width entries. */ @media(max-width:700px){ .stage-comparison[data-count="3"] .stage-row{grid-template-columns:minmax(0,1fr)} .stage-comparison[data-count="3"] .stage-table{--rules:none} .stage-comparison[data-count="3"] .stage-table-head{position:static} .stage-comparison[data-count="3"] .stage-colhead{container-type:normal;border-bottom:1px solid var(--line)} .stage-comparison[data-count="3"] .stage-colhead small{display:block} .stage-comparison[data-count="3"] .stage-colhead-identity>span>a{overflow-wrap:anywhere} .stage-comparison[data-count="3"] .stage-cell-model-context{position:static!important;display:block;width:auto!important;height:auto!important;padding:0!important;margin:0 0 4px!important;overflow:visible!important;clip:auto!important;clip-path:none!important;white-space:normal!important;font-weight:600} .stage-comparison[data-count="3"] .stage-fact-row>[data-column]+[data-column]{border-top:1px solid var(--line)} .stage-comparison[data-count="3"] .stage-hardware .hardware-group{display:block} .stage-comparison[data-count="3"] .stage-hardware .hardware-row,.stage-comparison[data-count="3"] .stage-hardware .hardware-reading{grid-template-columns:minmax(0,1fr)} .stage-comparison[data-count="3"] .stage-hardware .hardware-model-context{position:static;display:block;width:auto;height:auto;overflow:visible;clip-path:none;white-space:normal;margin-bottom:4px;font-weight:600} .stage-comparison[data-count="3"] .stage-hardware .hardware-row>[data-column]+[data-column]{border-top:1px solid var(--line)} .stage-comparison[data-count="3"] .stage-hardware .differences-only .hardware-group.same-all,.stage-comparison[data-count="3"] .stage-hardware .differences-only .hardware-row.same-all{display:none} }

In short

Recorded differences: Cryptocurrencies and Controls / Display.

Block BitkeyOne edition

Price at Block

Trezor Safe 3Multi-coin edition

Price at Trezor

Approve transactions

Computer: Block Bitkey:
Transaction approval not confirmed for your selected criteria; Trezor Safe 3:
Transaction approval not confirmed for your selected criteria
iPhone: Block Bitkey:
Transaction approval not confirmed for your selected criteria; Trezor Safe 3:
Not supported
Android: Block Bitkey:
Transaction approval not confirmed for your selected criteria; Trezor Safe 3:
Transaction approval not confirmed for your selected criteria

Where they differ

Cryptocurrencies: Block Bitkey:Bitcoin-only; Trezor Safe 3:Multiple cryptocurrencies
Controls / Display: Block Bitkey:Touchscreen; Trezor Safe 3:Physical buttonsDisplay: Display without touch input
Wallet recovery: Block Bitkey:Phone, hardware and server keys with assisted recovery. Check service and country availability.; Trezor Safe 3:Recovery phrase
Battery: Block Bitkey:Rechargeable; Trezor Safe 3:No battery

Not fully confirmed

Operating power: Block Bitkey:Not recorded; Trezor Safe 3:USB power

Before you choose

Consider

Block BitkeyTwo of three keys are needed. Recovery involves your phone, cloud storage and the service, rather than a conventional recovery phrase.

Trezor Safe 3USB signing on computer or Android; the iPhone app does not let this model approve transactions.

Apps and requirements

Show detailsHide details

Connectivity

Block Bitkey

iPhone · Android

Bitkey appNFCBitcoin

Connection requirements

Needs an NFC phone and the Bitkey app. Setup requires a cloud backup and email alerts; recovery depends on the keys and backup access you retain.

Trezor Safe 3

Computer

Trezor SuiteUSBBitcoin / EthereumWindows · macOS · Linux

Android

Trezor SuiteUSBBitcoin / EthereumAndroid 12+

Connection requirements

Setup and signing use the Trezor Suite app on Android 12 or later over USB. Your phone needs USB-C support and a suitable data cable. Check that Suite supports the asset and network you want to use; the Bitcoin-only edition is limited to Bitcoin.

Hardware detailsDifferent: 4 · Same: 2 · Not fully recorded: 7Show details (13)Hide details

Block BitkeyTrezor Safe 3

Display

Display type: OLEDBoth
Screen diagonal: Block Bitkey:Not recorded; Trezor Safe 3:0.96″
Resolution: Block Bitkey:Not recorded; Trezor Safe 3:128 × 64 px
Colour mode: Block Bitkey:Not recorded; Trezor Safe 3:Monochrome

Size and weight

Dimensions: Block Bitkey:66 × 60 × 13.6 mmDimensions as listed by the manufacturer; Trezor Safe 3:59 × 32 × 7.4 mmDimensions as listed by the manufacturer
Device weight: Block Bitkey:79 g; Trezor Safe 3:14 g