Using a crypto card abroad: the rate, the hold and the refund

What the balance is once you have landed

You are not carrying crypto through the airport, and you are not spending it at the till. That sentence does more work than it looks like it does, and almost every question on this page follows from it.

A top-up converts your coin into dollars once, at the moment it is credited. From then on the balance is a dollar balance: it does not rise when Bitcoin rises, it does not fall when Bitcoin falls, and the card never sells anything at the counter. Which of the 184 countries you happen to be standing in changes nothing about that either.

So when you pay for a coffee in Lisbon or a taxi in Bangkok, the only question is how many of your dollars that local price is worth. And the honest answer is that three different rates exist, on three different days, and people conflate them constantly:

Read the third row twice. It is the single most common reason someone writes in convinced that money has gone missing, and no money has gone missing — a purchase and its refund are two separate conversions, and the world moved in between.

Acceptance also varies. A Mastercard logo does not guarantee that a merchant will accept a prepaid card, a hotel deposit or a rental-car booking. Check the service restrictions and confirm acceptance with the merchant for an important purchase. A country listed for shipping does not establish acceptance by every merchant there.

Who sets the rate when the till is in another currency

Here is the part most cards are vague about, and it is short because the truth is short.

The conversion is the card network's, and we add nothing to it. When you pay in euros, baht or pesos, the network converts that amount into dollars at its own rate and the authorisation reaches us already in dollars. There is no foreign-transaction fee in our schedule — not because it is generously waived, but because there is no fee per payment at all. Nothing is charged when you spend, at home or six time zones away.

Which leaves exactly four ways money can move at a checkout abroad:

Three of those four are fine and need no thought. The second is the one that costs you, it is the only one anybody will actively offer you, and it gets its own section below because a dollar balance makes it unusually tempting.

The whole cost of using this card abroad, then, is the network's conversion — plus the 1% you already paid on the way in, which is the only charge the card carries and is taken out of the top-up rather than added to it. The complete schedule, including the day the interest on your balance has paid that 1% back, is in the fees guide.

The offer to charge you in dollars is the one to refuse

You will meet this at a card terminal in a shop, at a hotel desk and at the checkout of foreign websites. The screen says something close to: pay 84.00 EUR, or pay 97.40 USD — your choice.

Take the local currency. Every time.

That second option is dynamic currency conversion, and the important detail is who is offering it: not the card network, but the merchant's own payment provider. They pick the rate they convert at, and they are not picking it for your benefit. The card network's rate is the one you get by simply declining the offer and paying the local price.

Why this bites harder on a card like this one. A cardholder whose account is in euros sees "pay in USD" and instinctively says no — it is obviously not their currency. You are holding a dollar balance, so the same offer reads like it is doing you a favour and saving you a conversion. It is not saving you a conversion. The conversion happens either way; the only thing that changes is who chooses the rate, and the version where the merchant chooses is the expensive one.

Three practical notes, because the offer does not always look like an offer:

• Some terminals pre-select dollars for you and show the local amount in small type. Look for the currency code next to the figure before you tap approve.
• Online it is often a dropdown at the top of the checkout page, already set to USD because the site read where your browser thinks you are. Switching it to the merchant's own currency is usually the cheaper path.
• If you accepted it by accident, nothing is broken — you simply paid a worse rate on one purchase. It is not a fault, there is nothing to report, and it is not worth a ticket.

A hold abroad is a bigger figure, and it is converted too

Fuel pumps, hotels, car hire desks and restaurants do not ask to take the price. They ask to hold a figure comfortably above it, before they know what the bill will be. That is ordinary card-network behaviour and it is the commonest reason a prepaid card is refused while the balance "clearly has enough" — the full catalogue lives in the declines guide, and it is worth ten minutes before a trip.

What is specific to being abroad is smaller, and it is this: the held figure is in the local currency, so it is converted like anything else. A hotel that authorises a round number in its own currency is occupying a dollar amount on your balance that nobody quoted you, and that amount was fixed by the rate on the day of arrival.

Two consequences worth planning around:

• Fund against what will be held, not against what you expect to spend. The gap is the whole problem. A trip budgeted to the dollar declines at the first fuel stop.
• A hold released after you get home is released at that day's rate. What is authorised and never captured comes back to you, but a round trip through another currency almost never lands on the same cent. Again: not a fee, just two dates.

And the one that catches people with tidy habits: an open hold occupies part of a card's monthly cap while it lasts. If you give your trip its own capped card — and you should — a hotel sitting on part of that ceiling can make the card decline a perfectly ordinary purchase a week later. Leave the cap some room, or give the hotel a different card from the one you are spending on day to day.

Why a refund comes back a few cents short

You cancel the hotel. You return the jacket. The money reappears — and it is not the figure that left. This is the question that generates the most suspicion and has the most boring answer.

A refund comes back to your balance, not to your wallet. The card is the rail and the balance is the account, so a merchant refund lands in dollars and shows up in your history as a refund. There is no route back to the crypto you funded with, and no refund ever arrives on a chain.

As for the missing cents: a purchase and its refund are two conversions on two different days. The jacket cost a local-currency amount converted at Tuesday's rate; the refund is the same local-currency amount converted at next Tuesday's rate. If the pair does not reconcile to the cent, the rate moved — that is all that happened. It cuts both ways, and a refund that comes back slightly larger is the same mechanism wearing a better mood.

What it is not is a fee. We charge nothing on a payment and nothing on a refund, so there is no line of ours to look for. If a refund is genuinely short by an amount that a week of currency movement cannot explain, that is a conversation with the merchant, not with us — they control what they send back.

One precaution, and it costs nothing. If a purchase might still be returned, cancelled or disputed, freeze that card rather than deleting it. Freezing declines new authorisations instantly and is reversible in a tap; deleting is final and frees the slot for good. Holiday shopping and hotel bookings are precisely the purchases that come back weeks later, so keep the card that made them alive until the return window has closed.

The confirmation code lands in your inbox, not on your SIM

This is the part where the card is genuinely easier abroad than the one from your bank, and it is worth understanding rather than just enjoying.

When a site asks for 3-D Secure, the six-digit code goes to your account email address. Never by SMS — there is no phone number on the account, and we do not want one. Sitting in a hotel in another country, that difference is the whole ball game: a bank card that texts its codes to a home number is unusable the moment the SIM is out, the roaming is off or the network simply will not deliver a foreign short-code message. Email crosses borders on any wifi.

It leaves you with exactly one dependency, and it is worth being deliberate about it:

1. You must be able to reach your inbox from where you are going. Test it before you fly, not at a checkout.
2. Watch for your email provider's own security. The realistic failure is not ours — it is a mail provider that challenges a login from a new country and asks for a code sent to a phone you left at home. Sort that out in advance.
3. Codes expire on purpose. If one goes stale while you are hunting for wifi, start the payment again and a fresh challenge is opened. Nothing is stuck.

If you automate checkouts, the same code is readable over the API under the 3ds:read scope, with approval and refusal under 3ds:write. Why it works this way and what it means for a card with no phone number attached is a guide of its own.

The checklist to run before you fly

None of this is clever. All of it is easier at a desk than at a counter with a queue behind you.

1. Fund it once, with a margin. The 1% top-up fee comes out of the amount rather than on top, so ask for slightly more than you plan to spend: $1,010.11 credits $1,000.01 — the arithmetic, and the table for other figures, is in the deposits guide. Minimum $100 on a first top-up and $100 after that, up to $100,000 in one go.
2. Do not over-fund "just in case". Value leaves this account only as a card payment — there is no withdrawal to a crypto address and no transfer to anyone. A leftover balance is not lost and it is not idle, but it can only leave through a merchant.
3. Give the trip its own card, and cap it. You may hold 5 at a time and each extra virtual card is $2. A card with a monthly cap set above your planned spend — with room for the holds above — limits what a skimmed number can cost you, and deleting it at the end is a clean line under the trip.
4. Add it to Apple Pay or Google Pay while you are still at home. A tap is accepted in places a hand-typed number is not, and adding a card is the step you least want to debug on hotel wifi. If the wallet refuses it, the wallet guide covers why.
5. Prove you can read your email from abroad. Everything else has a workaround. This one does not — it is where the confirmation codes land.
6. Turn on two-factor and carry the recovery codes separately from the phone. Losing your email, your password and your codes together is the one loss nobody can undo for you, because there is no identity on file to verify you against — which losses are survivable is worth reading once.
7. If you want plastic, order it early. $35 delivered, $60 with priority shipping. We deliberately do not publish a transit time, because it depends entirely on the destination — so the lever is ordering sooner, not paying more. It ships in a plain envelope and the address is erased at dispatch.

Do you actually need the plastic? Mostly no. A virtual card in a phone wallet taps at the supported terminals. A physical card can help at chip terminals or counters that ask to see a card, or when your phone is unavailable. ATM availability and withdrawal fees are unconfirmed; ask support before depending on cash access.

Coming home with a balance still on it

Trips end with an awkward remainder. On a bureau-de-change holiday that remainder is a drawer of coins nobody will take back. Here it behaves better, with one honest limit.

The limit first. There is no withdrawal. Value entered as a deposit and it leaves as a payment to a merchant — not to a crypto address, not to a bank, not to another account. If you budgeted for a trip and spent less, the difference stays as spendable dollars until you spend it somewhere else.

Now the better part. That remainder is not dead money while it waits. The balance earns 4% a year, worked out on the closing balance each day and paid the next morning, whether the card is used or sitting still. $1,000.00 left alone for a month is about $3.29 — not a reason to travel, but a reason not to feel silly about the leftover. Where the yield comes from is worth knowing before you rely on it; the rate is variable and the balance is not a bank deposit.

And the card you made for the trip. Two options, and the difference matters:

• Freeze it if anything might still be refunded, cancelled or disputed. Every new authorisation is declined instantly, it is reversible in a tap, and the card still occupies one of your 5 slots.
• Delete it once the return windows have closed. The card stops working for good and the slot comes back immediately. Your history keeps every entry — deleting a card never erases what it spent.

One card always stays: the default card on the account cannot be deleted, only frozen, renamed or capped. And if something needs a human, the support ticket lives in the account itself — no phone call, no branch, no time zone to be awake for. Shorter answers to all of this are in the help center.

Frequently asked questions

Product references and further reading

• CryptoCard fees and funding minimums
• CryptoCard Terms of Service
• Mastercard: currency conversion tool

Published by CryptoCard. Product terms, eligibility and third-party features can change; use the linked reference for the current details.