A while ago, I was checking out on an overseas website when something happened that left me stunned. A card I usually use without a second thought was declined as soon as I clicked, and the page asked me to try another payment method. I switched to another card on the same Visa network, and it went through on the first try. Same amount, same merchant, same card network—so why such different treatment?

Only after that did I gradually realize: the “global cards” we talk about aren’t actually identical cards that work the same everywhere. The logo on the card only tells you which network it uses. What really determines how well it works in a given place is which market it was issued in—in other words, where its BIN is registered.

A news story I saw yesterday summed this up perfectly. On November 12, WasabiCard announced its local card-issuing solution in Singapore: businesses can issue cards locally in more than 100 markets, settle at the project level using USDT, USDC, and OUSD, while cardholders spend in their local currencies. One line in the announcement is key: because the card is issued in the market where the transaction takes place, it can reduce cross-border and currency-conversion fees while improving merchant approval rates. The founder put it even more directly: the old approach was to issue cards in one market and expect the same model to work everywhere. In practice, it ran into obstacles on compliance, acceptance, and cost at every turn.

The company has served more than 700 business clients to date, issued over 700,000 cards, processed more than $1 billion in transaction volume, and supports over 70 BINs. It highlights an assumption many cardholders have long overlooked: a card’s “local status” is itself part of the cost.

I used to choose cards by looking at cashback and perks, and hardly ever thought about which market the BIN belonged to. After comparing a few statements, I realized that paying for the same type of purchase with cards using different BINs could make a difference beyond the exchange-rate line. Some cards are treated as cross-border transactions by local merchants, so you get hit with an extra cross-border fee. Others take a longer settlement route, and the exchange happens at a different time, so the amount that comes through doesn’t match what I saw when placing the order. When my card was declined, I first thought I’d hit my limit. Only later did I realize the issuing market didn’t match the market where I was spending, and the merchant’s acquiring channel had treated the transaction as coming from an outsider.

So now, before choosing a card, I ask myself three questions.

First, which market does this card’s BIN belong to? To merchants, a local BIN and a foreign BIN are two different kinds of cards. A locally issued card follows local acquiring rules, which can mean smoother approvals and lower fees. A card issued elsewhere, even with the same logo, may first be treated as a cross-border transaction. If the application page only says “accepted worldwide” without specifying the BIN’s market, I pay closer attention. “Accepted worldwide” refers to network coverage; it doesn’t mean every card gets the same treatment everywhere.

Second, do the currency at checkout and the card’s settlement currency match? A local BIN paired with local settlement avoids an extra conversion step. A foreign BIN paired with foreign settlement has to clear the cross-border hurdle first, then the exchange-rate hurdle. These days, I assess card costs in just three layers: BIN, settlement route, and exchange rate. If anything is unclear, I get that part clarified before deciding what kinds of bills to pay with the card. Even great cashback doesn’t make a card cheap for me if currency conversion and cross-border fees take a big bite first.

Third, is there a screening step before the money comes in? WasabiCard also mentioned a detail this time: stablecoin top-ups are subject to compliance checks before they become spendable balances. Deposits directly linked to high-risk sources are rejected, while suspicious ones are put on hold until the compliance team reviews them. It reminded me of a mistake I made before: I topped up my card, assumed I could spend the money right away, and then it got stuck somewhere in the process. I only found out when I tried to pay and couldn’t access the balance. Top-up, conversion, settlement, and spending are all connected. If the first step isn’t transparent, a later one can fail at the worst possible moment. When choosing a card, don’t just ask, “Can I spend with it?” Also ask, “How many checks does the money have to pass through?”

Of course, local card issuance isn’t a universal solution. “More than 100 markets” means businesses can issue cards locally in those markets; it doesn’t mean every card is available to individuals in every one of them. The announcement’s claim of activation in as little as 24 hours applies after a business has submitted all the required documents and passed KYB, compliance, and partner reviews. It isn’t a promise that individuals can open a card instantly. Reading “supported in 200 countries and regions” as “my card will work equally well in all 200 places” is another kind of assumption.

These days, I compare the cards I have side by side, looking at BIN markets, settlement routes, and currency-conversion costs. Then I decide which card to use for subscriptions, which for overseas purchases, and which to keep as a backup. PayAll’s card aggregation and comparison feature helps me see these details side by side, saving me the time it would take to go through the terms of each card one by one. In the end, I still decide which one to use based on my own statements.

When it comes down to it, a card’s perks are only the top layer. The BIN’s market, the settlement route, and the date used to calculate the exchange rate all have to line up for a card to be truly convenient. Next time I see the words “accepted worldwide,” I’ll ask one question first: which market was this card issued in?

The author is affiliated with products mentioned in this article. This is a personal account and does not constitute investment or financial advice.