Cryptnox black smart card with gold contact chip, NFC symbol and the SushiSwap (SUSHI) logo

SushiSwap SUSHI Hardware Wallet

Does the Cryptnox wallet support SUSHI?

Yes. The Cryptnox Crypto Hardware Wallet – Dual-Card Set can hold SUSHI as an ERC-20 token on Ethereum after you add the token once in the Cryptnox app. SUSHI is not pre-programmed on the card. Use contract 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2 with a 0x-prefixed Ethereum address controlled by private keys generated inside the card’s secure element.

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Cryptnox black smart card with gold contact chip, NFC symbol and the SushiSwap (SUSHI) logo
Cryptnox smart card with the SushiSwap (SUSHI) logo beside a phone showing a crypto portfolio on a desk

SUSHI support route on Cryptnox

SUSHI is supported on Cryptnox as an ERC-20 token on Ethereum. The SUSHI balance is associated with an Ethereum account, and the receiving address uses the 0x-prefixed 20-byte EVM address format.

The SUSHI token entry is added once in the Cryptnox app. It does not ship already enabled on the card, so setup means adding the Ethereum token route before relying on the balance display. The contract to enter is 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2, and Etherscan identifies that Ethereum contract as the SUSHI token contract.

The SUSHI route to select

  • Asset: SUSHI.
  • Chain: Ethereum.
  • Standard: ERC-20 on Ethereum.
  • Contract: 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2.
  • Address format: 0x-prefixed 20-byte EVM address.
  • Setup: add the token once through Add a Token, or through Add a Network where that is the app route presented.

For buyers checking SUSHI alongside other assets, the Cryptnox coin and blockchain support page gives the wider supported-asset overview. For this page, the route is specifically SUSHI on Ethereum as an ERC-20 token.

Cryptnox black smart card with gold contact chip, NFC symbol and the SushiSwap (SUSHI) logo, on an orange-to-blue gradient

Adding SUSHI in the Cryptnox app

Add SUSHI as a token attached to an Ethereum account, not as a separate chain account. In the Cryptnox app, add SUSHI once using the token contract 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2. The app route may be labelled Add a Token, or Add a Network where that is the setup path shown.

The contract matters because the SUSHI entry is the Ethereum ERC-20 token entry for that contract. After the token is added, the relevant address remains the Ethereum 0x address secured by the Cryptnox card. That address is the account controlled by private keys generated inside the secure element.

Before receiving SUSHI

  • Use the Ethereum route for SUSHI.
  • Use an address that begins with 0x.
  • Enter the SUSHI contract exactly as 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2.
  • Add SUSHI once in the Cryptnox app before depending on the token display.
  • Keep both cards available during initial setup so the backup card is created for the same wallet.

If you want to review the app flow before adding the SUSHI ERC-20 token, the Cryptnox hardware wallet tutorials are the right place to check product setup guidance.

What the card protects for a SUSHI balance

SUSHI is an ERC-20 token on Ethereum, so control of the SUSHI balance depends on control of the Ethereum private keys for the 0x address. With the Cryptnox Crypto Hardware Wallet – Dual-Card Set, private keys are generated inside the secure element and never leave it.

The card is not a container for SUSHI tokens. It is the private-key holder for the Ethereum account that controls the SUSHI balance associated with that address. This distinction is useful for ERC-20 tokens because the SUSHI token entry is identified by the Ethereum contract address while the account is still the Ethereum address.

Secure element model for SUSHI

The secure element is where the private keys for the Ethereum account are generated. The chip platform used for that secure element is an EAL6+-certified chip. For a SUSHI holder, the practical result is that the Ethereum keys controlling the SUSHI address are created inside the secure element and are not exported.

Unlocking the wallet flow uses the phone’s fingerprint or face check through the Cryptnox app. The card itself has no fingerprint reader and no face sensor. The phone provides the app interface, while the card remains the smart card tied to the private keys for the Ethereum address used for SUSHI.

Dual-card backup for a SUSHI wallet

The Dual-Card Set ships uninitialised. During setup, the seed is generated inside both secure elements, so the second card becomes the backup for the same wallet. For SUSHI, that backup protects access to the Ethereum address that controls the ERC-20 token balance.

This matters before a buyer receives SUSHI. If the primary card is unavailable, the second card from the same initialised set is the backup for the wallet. The default backup path is card-based rather than a phrase written on paper.

How the backup relates to SUSHI

  • The SUSHI balance is tied to an Ethereum 0x address.
  • The private keys for that Ethereum address are generated inside the secure element.
  • The Dual-Card Set creates the backup card during initialisation.
  • The second card is the backup for the same wallet that controls the SUSHI address.
  • No recovery phrase has to be written down by default.
  • Importing a 12- or 24-word BIP39 phrase is an advanced option, not the default setup path.

The result is a SUSHI wallet setup with two cards for one wallet: one primary card and one backup card, both tied to the secure-element setup created during initialisation.

Contact and NFC use for SUSHI

The Cryptnox card is a contact and NFC smart card. For SUSHI, you can tap the card to a phone when using the Cryptnox app, or insert the card into a reader when that is the chosen access method. The form factor is dual-interface, so it is not limited to a single contactless path.

The phone route is useful when adding SUSHI in the Cryptnox app because the app is available free on iOS and Android. In that flow, SUSHI is added as an Ethereum ERC-20 token by contract address, and the Ethereum account remains the 0x address controlled by the card’s secure element.

Daily SUSHI handling

  • Use the Cryptnox app on iOS or Android to work with the card from a phone.
  • Tap the card to a phone when using the NFC path.
  • Insert the card into a reader when using the contact path.
  • Use the Ethereum 0x address for SUSHI.
  • Keep the SUSHI contract address available when setting up the token display.

The same smart-card format applies whether the buyer is checking a SUSHI balance, adding the SUSHI contract entry, or preparing to connect the Ethereum account through the app.

Cryptnox black smart card with gold contact chip, NFC symbol and the SushiSwap (SUSHI) logo

Using SUSHI with WalletConnect and MetaMask

The Cryptnox app is free on iOS and Android, connects to Web3 through WalletConnect, and works with MetaMask. For SUSHI, the account involved is the Ethereum 0x address secured by the Cryptnox card, with the SUSHI token entry identified by contract 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2.

When a Web3 service asks for an Ethereum wallet, use the address that holds the SUSHI ERC-20 token. The SUSHI token entry identifies the asset, while the private keys generated inside the secure element control the Ethereum account.

SUSHI checks before a Web3 connection

  • Confirm the account is the Ethereum address where SUSHI is held.
  • Confirm the address begins with 0x.
  • Confirm that SUSHI has been added with contract 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2.
  • Use WalletConnect through the Cryptnox app when that is the Web3 connection route.
  • Use MetaMask with Cryptnox when that is the selected wallet interface.

CoinGecko lists SUSHI as the Sushi token. On Cryptnox, the setup remains the Ethereum ERC-20 route using the contract address shown on this page.

Choosing the right network for SUSHI

A buyer adding SUSHI should select the Ethereum ERC-20 path and the Ethereum contract address for SUSHI. The receiving address for this setup is a 0x-prefixed EVM address. That is the address controlled by the Cryptnox card after the wallet is set up.

This route is different from choosing a hardware wallet page for another chain. If you are comparing network-specific setups, the Cryptnox hardware wallet collection is the parent collection for asset wallet pages. A TRON hardware wallet route uses a different chain choice from SUSHI on Ethereum. A Polygon hardware wallet route uses an EVM-style address format, but it is still a separate network route from the SUSHI ERC-20 setup on Ethereum.

The same distinction applies outside EVM-style networks. The Bitcoin hardware wallet page is for a different asset model and a different address family. The Ronin hardware wallet page is also a separate route from the Ethereum ERC-20 setup used for SUSHI. For SUSHI, the exact match is Ethereum, ERC-20, contract 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2, and a 0x-prefixed EVM address.

Buy the Dual-Card Set for SUSHI

The product for this SUSHI setup is the Cryptnox Crypto Hardware Wallet – Dual-Card Set. It is a pair of uninitialised contact and NFC smart cards that are set up together, with the second card becoming the backup for the wallet that controls the Ethereum SUSHI address.

For SUSHI, the buying decision is about securing the Ethereum private keys that control a 0x address. Those keys are generated inside the secure element and never leave it. The SUSHI token entry is then added in the Cryptnox app with the Ethereum contract address, so the app can show the ERC-20 token route for the same Ethereum account.

What to have ready for SUSHI setup

  • The Cryptnox Crypto Hardware Wallet – Dual-Card Set.
  • The Cryptnox app on iOS or Android.
  • The SUSHI contract address: 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2.
  • An Ethereum 0x-prefixed address controlled by the card.
  • The second card from the same initialised set as the backup.

The product is Swiss-engineered, and the cards are made in Switzerland. For a SUSHI holder, the key points are the Ethereum ERC-20 route, the contract address entered once in the app, the secure-element key model, and the second card created as the backup during setup.

Frequently asked questions

Is SUSHI pre-programmed on the Cryptnox card?

No. SUSHI is not pre-programmed on the card. Add it once in the Cryptnox app as an Ethereum ERC-20 token using contract 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2. The app route may be Add a Token, or Add a Network where that is the path presented.

Which SUSHI address format should I use?

Use an Ethereum address in the 0x-prefixed 20-byte EVM format. The SUSHI route here is ERC-20 on Ethereum, so the address is the Ethereum account controlled by private keys generated inside the Cryptnox card’s secure element.

Does the card hold the SUSHI tokens themselves?

The card protects the private keys that control the Ethereum address associated with the SUSHI balance. SUSHI is an ERC-20 token on Ethereum. The private keys for that Ethereum address are generated inside the secure element and never leave it.

How does backup work for a SUSHI wallet?

The Dual-Card Set ships uninitialised. During setup, the seed is generated inside both secure elements, so the second card becomes the backup for the same wallet. For SUSHI, that means both cards are tied to the Ethereum address that controls the ERC-20 token balance.

Do I need to write down a recovery phrase by default?

No recovery phrase has to be written down by default. The default backup is the second card from the Dual-Card Set, created during initialisation because the seed is generated inside both secure elements. Importing a 12- or 24-word BIP39 phrase is an advanced option.

Can I use SUSHI with WalletConnect or MetaMask?

Yes. The Cryptnox app is free on iOS and Android, connects to Web3 through WalletConnect, and works with MetaMask. For SUSHI, use the Ethereum account secured by the card and add the ERC-20 token contract once in the app.

Does the Cryptnox card have a fingerprint reader?

No. The card itself has no fingerprint reader and no face sensor. Unlocking the wallet flow uses the phone’s fingerprint or face check through the Cryptnox app, while the card remains the contact and NFC smart card tied to the private keys.

Is the Cryptnox wallet an HD wallet with a new receive address for each transaction?

No, and on this network that is not a limitation. The Cryptnox wallet uses one address per chain. HD address rotation comes from Bitcoin’s UTXO model and the BIP32/BIP44/BIP49/BIP84 derivation scheme; on account-model networks each account is a single fixed address by design, so the question does not apply in the same way. Cryptnox’s single-address-per-chain behaviour matches how these networks work.

At the cryptography layer the card derives keys along BIP32 and SLIP-10 paths, one path per supported chain, though that is not exposed in the app as multi-address management.

Does Cryptnox ship worldwide, and will I pay import duties?

Yes. Cryptnox ships worldwide from the official CRYPTNOX store. Orders to Switzerland, the European Union and the United States are dispatched from stock already held in each of those regions, so the parcel does not cross a customs border into your country and there are no import duties to pay. Orders to other destinations are shipped internationally, and any import duties or local taxes are set by the destination country and are the recipient’s responsibility. Current shipping rates are shown at checkout.