Spend crypto without selling
Spend your crypto without selling your assets through bank transfers and a self-custody credit card.
Spend your crypto without selling your assets through bank transfers and a self-custody credit card.
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Instead of selling, Quartz takes out a DeFi loan against your assets, so you stay holding.
Since you stay holding, you keep all the gain if prices rise.
If prices fall, your loan is auto-repaid at market rate so you don’t lose value.
All on-chain and self-custody, powered by Solana DeFi.
Spend with DeFi Loans
The Quartz credit card pays for transactions through a secured line of credit, backed by your crypto assets.
Quartz DeFi loans are powered by Drift, borrowing USDC against your crypto investments.
All loans are protected from liquidation fees, unlike other DeFi lending providers which charge up to 10%.
If your assets drop too low in value, they are automatically sold at market rate to pay off your loans.
Quartz integrates with Lulo to ensure you always get the maximum yield available on all deposits.
All funds in your Quartz account automatically earn yield.
Lulo routes funds to whichever DeFi protocol has the highest yield.
You funds stay in your control and custody at all times.
with your bank
with Quartz
with Quartz
Any Token on Solana DeFi
Self-custody
Your keys, your crypto. Your funds stay on-chain and in your control at all times. No one else, not even Quartz, can touch your assets.
Independently Audited
All Quartz programs undergo multiple audits by industry leaders before public release, so you can be sure your funds are secured.
DeFi Crypto Card
Spend DeFi loans with Google/Apple Pay, anywhere Visa is accepted.
No spend, top-up, or maintenance fees. 1.5% + 30¢ forex fee.
Frequently Asked Questions
What makes Quartz different?
How does spending without selling work?
Where can I use the Quartz card?
Have you guys taken part in any hackathons?
What's your pricing?
Is there KYC?
When is Quartz launching?
I have more questions!
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