How stablecoin cards work: issuers, KYC and top-ups

A stablecoin card is a payment card whose spending is funded from a stablecoin balance. Several companies with different jobs sit between that balance and the shop, and most practical questions about a card (who approved it, why identification was requested, how the balance gets onto it) are answered by who those companies are. This guide explains the roles, the identity checks and the two common ways a card is funded. It is information, not investment advice.

What is a stablecoin card?

A stablecoin card is a payment card whose purchases are funded from a stablecoin balance instead of a bank account balance. The card still runs through the usual card machinery, with an issuing bank, a program manager, a processor and a card network, and the stablecoin balance is an extra funding layer behind it. The wider idea is covered in what is a stablecoin neobank.

Each card program decides where it operates and whom it accepts. An announcement about one company's program says nothing about another company's card, and a planned expansion is not a delivered one.

This guide describes the industry model in general terms. It does not describe any particular app's set-up, including Neovestor's.

Who is involved when a stablecoin card is used?

Four roles are typical in a card program: the issuing bank, the program manager, the processor and the card network. A stablecoin card adds a fifth element, the stablecoin balance that purchases are paid from.

Real programs combine these roles in different ways, and one company can take on more than one of them, so the table is a map, not a blueprint.

Which kind of wallet holds the funding balance matters, because it decides who controls the money behind the card. Custodial vs non-custodial explains the difference.

What happens when a stablecoin card is used?

In outline, a purchase moves through the same steps as any card payment, with one extra step for the stablecoin balance. Real set-ups differ in detail, so this is an outline, not a specification.

1. Authorization request. The card is used, and a request asking whether the purchase can go ahead is created. The processor routes it.
2. Funding check. In a pull-at-purchase design, each purchase draws stablecoins from the wallet on-chain at the moment of authorization. In a top-up set-up, the purchase is checked against the value already on the card.
3. Decision. The program approves or declines the request, within the rules the card network sets.
4. Settlement. After approval, the processor handles the settlement data for the purchase.

In this outline, the stablecoin balance mainly changes step 2. The roles around it and the identity checks are the same card machinery used for other cards.

Why does a stablecoin card need KYC?

Because the issuing side of a card program has to know who its cardholders are. Card programs check a cardholder's identity before a card is issued, as part of KYC (know your customer) and AML (anti-money-laundering) obligations, and they monitor for fraud alongside those checks.

These checks are different jobs:

• KYC confirms who the cardholder is.
• AML monitoring looks for money that moves in suspicious ways.
• Sanctions screening (OFAC in the US) checks cardholders and payments against sanctions lists.
• Fraud monitoring watches for unauthorized use of the card.

Who runs the check depends on the set-up: it can be the issuing bank, the program manager or a provider working for one of them. Identity verification and regional availability then work together: a card can be issued only to someone who passes the check, in a region where the program operates.

How does a stablecoin card get funded?

A stablecoin card is funded in one of two broad ways: value is moved onto the card ahead of time, which is a top-up, or each purchase draws on the stablecoin balance at the moment it is made.

In the pull model, that advance permission is what lets the program draw funds, so its scope is worth reading before the first purchase.

The balance behind either model carries its own risks. If it sits in a lending protocol, that protocol's rules apply. Jupiter says withdrawals from Jupiter Lend follow an Automated Debt Ceiling that smooths large movements, and its documentation states that the protocol "contains smart contract risk, market risk and other factors which can cause loss of user funds." The guide Jupiter Lend Earn, explained covers how that works.

How does a stablecoin card differ from a card on a bank account?

The card machinery and the identity checks stay the same, and what changes is the balance behind the card and the protections attached to it.

The FDIC describes deposit insurance as covering money in a deposit account at a bank that is part of its system, and lists crypto assets among the products it does not cover. That difference, more than the card or the app, is what separates the two in practice. The FDIC's guidance on banking with third-party apps adds that nonbank companies, including fintechs, are never covered by deposit insurance themselves.

What does the Neovestor card look like?

The Neovestor card is coming soon, and there is no launch date. When it launches, it will be funded from your Cash balance and offered only in eligible regions through a card-issuing partner. Identity verification is required to apply.

Cash is one balance made of idle USDC plus a Cash earn position in Jupiter Lend, and withdrawals from the earn part can be limited by the protocol's own withdrawal limits. That is worth knowing for any card funded from an earning balance. Neovestor has not published further card details, and this guide does not describe any. The stablecoin card page carries the current status.

What is worth asking before applying for a stablecoin card?

Six questions cover the structure behind any stablecoin card:

• Which bank issues the card, and where are its terms?
• Who runs the program day to day, and who handles identity verification?
• Is the funding balance in a custodial or a non-custodial wallet?
• Is the card topped up first or drawn on at purchase, and from which balance?
• Is the funding balance an earning position, and what limits apply to withdrawals from it?
• In which regions is the card offered, and is mine one of them?

Clear answers to these questions say more about a card than its feature list does.