The self-custody crypto debit card for web3

natives

Spend your crypto while staying decentralised and trust-less

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  • Spend your crypto in the real world anywhere Mastercard is accepted

  • No escrow required for online transactions

  • Powered by

Screenshots of Quartz app with balances, transaction history and transaction details for an approved card transaction
Screenshot of Quartz App, with Quartz card showing. Phone is ready to be tapped against a payment terminal.Screenshot from Quartz app showing an authentication request for an online card transactionScreenshot from Quartz app showing an approved online card transaction

Your crypto stays secure

Quartz has no access to your funds until you authorize a transaction

True Self-Custody

Your keys. Your crypto. Unlike other web3 debit cards, only you have access to your account.

Hassle-Free Spending

Easily authorize online and 
in-person transactions, so you can spend without giving up convenience or security.

Simplify Your Tax

Quartz tracks and calculates your capital gains tax for you so you can spend your crypto stress free.

Simple, Transparent Pricing

€14

EUR /month

  • 0% deposit fee

  • 0% spend fee

  • Standard Solana gas fees

  • No hidden charges

Join the Waitlist

to get early access when the private beta launches

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