Cold storage card meets biometric security

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Sleev Crypto transforms digital asset protection with a cold storage solution built into a payment card with biometric sensor. Your customers can securely store their crypto, biometrically tap-to-sign transactions, and optionally spend their crypto assets anywhere contactless payments are accepted. It’s a true breakthrough in Web3 convergence.

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What is Sleev Crypto?

Sleev Crypto is the next evolution in cold storage wallets, replacing cumbersome USB drives and passkeys with an ultra-secure biometric solution. Designed for the Web3 era, it ensures your customers have complete control over their digital assets without the complexity of traditional cold storage methods.

  • Cold store crypto on a payment card – no external hardware needed.
  • Biometric tap-to-sign for easy, secure transactions – eliminating passkeys and manual entry.
  • True self-custody, ensuring only the owner can access and use their crypto.
  • Optionally includes contactless payments worldwide, bridging digital assets with real-world spending.
EXPLORE THE BENEFITS

Protect, sign, and spend – All in one card

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Cold wallet, reimagined

Whether as a standalone hardware wallet or a companion to a hot wallet, Sleev Crypto gives your customers the safest way to store assets offline – and spend whenever they need it.

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Unmatched security

Your crypto stays offline, safe from hacks and breaches, while biometric authentication ensures simple and secure access whenever you need it.

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Tap to sign

Authorize transactions biometrically with a simple tap of the finger – no complicated passwords, no easily misplaced hardware, just effortless security.

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True self-custody

With Sleev Crypto, there’s no third-party access, so assets stay in the owner’s control at all times, removing risk that comes with centralized solutions.

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Spend crypto anywhere

Sleev Crypto seamlessly converts digital assets for use at millions of contactless payment terminals worldwide.

Who is Sleev Crypto for?

Crypto exchanges

Expand your wallet offerings with a cold storage solution based on biometric security. Give customers the flexibility to store, sign, and spend crypto while maintaining complete self-custody.

Web3 fintechs

Elevate digital asset security with a next-gen cold wallet that integrates seamlessly into your ecosystem. Offer customers a secure, biometric-powered way to store, transact, and spend crypto anywhere contactless payments are accepted.

Blockchain wallet providers

Offer a complete wallet solution by complementing your hot wallet with biometric cold storage. Provide customers with added security and flexibility while keeping them engaged within your environment.

Decentralized finance platforms

Offer your customers a cold storage solution that eliminates the headaches of passkeys and USB drives. Users get self-custodial control with biometric authentication for secure, tap-to-sign transactions.

How Sleev Crypto works – From storage to transacting

Sleev Crypto makes it easy for your customers to securely store, manage, and transact with their digital assets. With biometric authentication and cold storage, they get ultimate security without the headaches of traditional hardware wallets.

HOW IT WORKS

Step 1

Sign up

Your customers create a Sleev Crypto account through your wallet platform.

Step 2

Receive card

Their biometric-enabled Sleev Crypto card arrives by mail.

Step 3

Activate

Customers activate their card using NFC through your wallet app.

Step 4

Enroll biometrics & wallet

Customers register their fingerprint on the card and activate their private key in cold storage.

Step 5

Transfer crypto

Customers securely transfer digital assets to the Sleev Crypto cold storage wallet.

Step 6

Tap to sign

To sign transactions, customers simply tap their Sleev Crypto card to their device.

How Sleev Crypto transactions work

Sleev Crypto makes signing blockchain transactions simple and secure. With NFC and biometric authentication, users can approve transactions without exposing private keys or relying on passwords.

Begin Your Web3 Payment Evolution Today

Tell us about your business needs for Sleev, and we’ll reach out to start a conversation.