A digital wallet keeps a customer's payment credentials, and sometimes real money, so that paying takes a tap or a click instead of a card form. The digital wallet definition covers both cases, but the digital wallet meaning for a merchant depends entirely on which of the two a given app actually holds.
How does a digital wallet work
A pass-through wallet holds no funds. It stores a credential and presents it, and the payment settles on the underlying card or bank rail exactly as it would have without the wallet in the middle. Apple Pay and Google Pay work this way.
A stored-value wallet holds a balance the customer has topped up. That balance is e-money or its local equivalent, the operator needs a license to hold it, and value moves between wallet accounts rather than across a card network. Alipay and most national market wallets are built this way, which is why some wallets count as an alternative payment method while others are card acceptance in a nicer wrapper.
Why the card number never travels
When a card is added, the wallet provider requests a token from the scheme instead of storing the number. The token is bound to that wallet and device combination and is worthless anywhere else, so a breach at a merchant yields nothing reusable.
The token also outlives the card. When a card is lost and reissued, the issuer remaps the existing token to the new number, and stored wallet credentials keep working without the customer touching anything. That behavior is why wallet-based subscriptions churn less than saved card numbers do.
Approval rates and who eats the fraud
Tokenized wallet transactions typically approve at a higher rate than keyed cards, because the credential cannot be stale or mistyped and the data reaching the issuer is richer. Where device biometrics satisfy strong customer authentication requirements, the transaction may qualify for an SCA exemption or move fraud liability away from the merchant.
What it looks like in reporting
Merchants asking what is digital wallet acceptance going to cost them should read the rail, not the button. Pass-through wallet payments appear in settlement files as ordinary card transactions with a wallet indicator, priced on the underlying card, and anyone expecting a separate wallet line item or fee finds neither. Stored-value wallets are the opposite case: their own contract, their own settlement file, their own timing, and their own reconciliation work.
Where the wallet layer stops
A wallet changes how a credential is presented, not what happens afterward. Authorization, clearing and settlement run unchanged underneath a pass-through wallet. The device-side mechanics — provisioning a card to a phone, the NFC tap, biometrics at a terminal — are covered on the mobile wallet page, which is the phone-resident subset of this category.