

Guides
Make your crypto
go further.
Practical crypto card guides for funding, spending and everything in between. Find the answer, then get on with your day.
14 guides
Start here
No-KYC crypto card: the complete guide
What it is, what it costs, where it works, and what you give up. The long read.

Earning
Crypto card cashback vs interest on your balance
Cashback pays on what you spend, interest on what you hold. The exact break-even, what a headline cashback rate really costs, and which suits you.
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Earning
How your crypto card balance earns interest, paid daily
Interest on what you hold, not cashback on what you spend: how the daily calculation works, where the yield comes from, and what it is not.
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Spending
How to add a crypto card to Apple Pay and Google Pay
Adding a no-KYC virtual card to Apple Pay or Google Pay, why it sometimes fails, and what to do when the wallet refuses the card.
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Funding
USDT on TRC-20 or ERC-20: which network to send
Choose the right USDT deposit network. Compare TRC-20 and ERC-20, check sending fees, and match the network to your deposit instructions.
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Spending
3-D Secure without a phone number: how it works
How 3-D Secure authenticates online payments, the options beyond SMS, and how CryptoCard handles email codes, dashboard challenges and API permissions.
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Privacy
Virtual cards for subscriptions: limits, fees and cancellation
Use separate virtual cards to manage subscription payments. Set spending limits, handle renewals and cancel with the merchant without confusing cards and contracts.
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Spending
Why a crypto card gets declined at checkout, and how to fix it
Insufficient funds with money still on the balance, a checkout that wants a name the card has not got, a 3-D Secure code that never came. Each cause, and its fix.
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Funding
How to spend Monero by funding a crypto card with XMR
Monero is easy to send privately and hard to spend. How a card fixes that, why the exact amount is the only identifier, and what it does not hide.
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Developers
Issuing virtual cards from your own code, over the API
A bearer key, eleven scopes and eight resources. What you can automate, where the API deliberately stops, and the retry that quietly costs you a card slot.
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Getting started
No-KYC account recovery: which losses are survivable, which are final
With no identity on file, nobody can vouch for you. Which credential losses are survivable, which are terminal, and the ten minutes that decide.
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Getting started
Ordering a physical crypto card without an ID, and where the address goes
Plastic is the one thing a no-KYC card cannot deliver by email. What the order form asks for, what the envelope shows, and what is erased on dispatch.
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Getting started
How crypto card fees work: funding, cards and spending
Understand crypto top-up fees, card charges and funding limits. Worked examples separate costs from hypothetical interest and explain what to check before depositing.
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Funding
Crypto deposit not credited: where the money actually is
A deposit that has not landed is nearly always one of eight things. How to tell which from the chain, which fix themselves, and which need the hash.
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Spending
Using a crypto card abroad: the rate, the hold and the refund
Your balance is in dollars and the till is not. Who sets the rate, why a refund comes back short, and the one offer to decline at every terminal.
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