Tokenisation de réseau
Améliorez la sécurité et réduisez le périmètre PCI en convertissant les détails de carte en jetons de réseau.
La tokenisation de réseau de Cardflo remplace les numéros de carte sensibles par des jetons uniques générés par le réseau de paiement, qui restent valides même si les données de carte sous-jacentes changent. Cela protège les données des clients et simplifie la conformité.
- Catégorie
- Sécurité
- Capacités
- 10
- Disponible sur
- Tous les plans
L'aperçu
Network tokenisation is a security and data management protocol where a Primary Account Number (PAN) is replaced by a unique digital identifier, or token, issued directly by the card schemes like Visa or Mastercard.
Unlike proprietary gateway tokens which only function within a specific provider's environment, network tokens are interoperable across the payments ecosystem. The process involves the merchant or their PSP requesting a token from the scheme via the acquirer.
Once issued, this token is stored in the merchant vault for future transactions. Because the token is linked to the underlying account rather than the static card details, it remains valid when a physical card is replaced or expires.
This mechanism reduces the risk of data exposure during transit and storage while ensuring that payment credentials remain synchronised with the issuer's records.
It sits at the infrastructure level of the payment stack, providing a layer of security that satisfies various PCI DSS requirements while potentially improving authorisation success.
Comment ça marche
Token provisioning and request
The process begins when a cardholder enters their PAN during a transaction. The merchant or payment service provider sends a request to the card scheme to provision a network token.
This request typically includes the PAN and specific metadata to verify the legitimacy of the merchant account before the scheme generates the token.
Mapping and vault storage
The card scheme generates a unique network token and maps it to the cardholder's account. This token is returned to the merchant or vault provider to be stored for future use.
The actual PAN is never stored in the merchant's local environment, significantly limiting the scope of sensitive data exposure.
Cryptogram generation for authorisation
When a subsequent payment is initiated, a unique, one-time-use cryptogram is requested for that specific transaction. This cryptogram is bundled with the network token and sent through the payment gateway to the acquirer.
The issuer receives these details and validates the cryptogram to authorise the payment request securely.
Lifecycle management and updates
The card schemes maintain a real-time link between the network token and the cardholder's account. If a card is lost, stolen, or expires, the scheme updates the token mapping automatically.
This ensures that the merchant can continue to process transactions without requiring the customer to manually update their payment details.
Pourquoi c'est important
Improved authorisation performance
Traditional card-on-file transactions often fail due to expired credentials or reissued cards. Network tokens mitigate this by maintaining a persistent link to the funding account.
Industry data suggests that issuers often view network-tokenised transactions as higher trust because they include scheme-validated cryptograms. This increased trust can lead to a measurable uplift in authorisation rates and a reduction in false declines across various geographies and card types.
Reduction in PCI scope
By utilising network tokens, merchants minimise their exposure to sensitive cardholder data. Since the token cannot be reversed to find the original PAN outside of the scheme's environment, the risk associated with data breaches is substantially lowered.
This allows businesses to adhere to PCI DSS standards more easily, potentially reducing the cost and complexity of annual security audits while maintaining a robust defence against unauthorised data access.
Cost optimisation and scheme incentives
Card schemes frequently incentivise the adoption of network tokenisation to enhance ecosystem security. This may manifest as lower scheme fees for tokenised transactions compared to plain-text PAN transactions.
Furthermore, by reducing the frequency of expired card declines, merchants can lower the operational costs associated with dunning processes and customer service inquiries related to failed recurring payments or subscription renewals.
Cas d'usage
Subscription and recurring billing
For businesses relying on monthly subscriptions, network tokens prevent churn caused by card expiry. The token stays active even if the physical card is replaced, ensuring uninterrupted service for the cardholder and consistent revenue for the merchant.
One click guest checkout
E-commerce platforms can offer returning customers a faster checkout experience without storing sensitive PANs. By retrieving the network token, the merchant provides a smooth user journey while the security remains managed by the underlying card scheme architecture.
Marketplace payment processing
Platforms managing multiple sub-merchants can utilise network tokens to secure data across their entire ecosystem. This centralises security while allowing individual participants to benefit from high authorisation rates and reduced compliance overhead in a complex regulatory environment.
Mobile wallet integration
Mobile wallets frequently use tokenisation protocols to secure card details on devices. Network tokenisation allows merchants to bridge the gap between web-based checkouts and mobile environments, maintaining a consistent security posture across all digital customer touchpoints.
En chiffres
This range represents typical industry observations for merchants moving from PAN-based storage to network tokens, largely due to reduced declines on expired or reissued cards.
Industry studies suggest a significant decrease in fraud rates for tokenised transactions, as the lack of sensitive PAN data minimises the utility of intercepted payment details.
This indicates that within the scheme environment, token mappings are designed to reflect the current status of the underlying account automatically, assuming issuer participation in the scheme's lifecycle services.
Termes associés
Talk to our team about a live rollout on your acquiring stack.
What you get with Tokenisation de réseau
- Remplace les numéros de compte primaires (PAN) sensibles par des jetons de réseau sécurisés
- Réduit la charge de conformité PCI DSS pour les marchands
- Maintient la validité des jetons même en cas d'expiration ou de réémission de carte
- Améliore les taux d'autorisation en réduisant les refus sur les cartes expirées
- Protège contre les violations de données en ne stockant jamais les numéros de carte réels
- Facilite les paiements récurrents sécurisés et les paiements en un clic
- Supports Merchant initiated Transactions and Customer Initiated Transactions via secure tokenised paths.
- Minimises the need for manual customer intervention to update saved payment methods.
- Facilitates compliance with regional data protection regulations by pseudonymising sensitive financial information.
- Enables access to scheme-level incentives and potential reductions in per-transaction processing costs.
A short scoping call, then a written plan for your MIDs.
Questions about Tokenisation de réseau
Qu'est-ce que la tokenisation de réseau ?
La tokenisation de réseau est le processus de remplacement d'un numéro de compte primaire (PAN) par un jeton unique et crypté généré par les réseaux de cartes (Visa, Mastercard, etc.)
Ce jeton est utilisé pour les transactions, et non le numéro de carte réel, ce qui améliore la sécurité.
Comment la tokenisation de réseau réduit-elle le périmètre PCI ?
En remplaçant les numéros de carte réels par des jetons de réseau, les marchands ne stockent ni ne transmettent plus de données sensibles de titulaires de carte.
Cela réduit considérablement le périmètre de conformité PCI DSS, car moins de systèmes traitent les PAN bruts, ce qui simplifie les audits et les mesures de sécurité.
La tokenisation de réseau améliore-t-elle les taux d'autorisation ?
Oui, la tokenisation de réseau peut améliorer les taux d'autorisation.
Les jetons de réseau sont automatiquement mis à jour par les réseaux de cartes si la carte sous-jacente expire ou est réémise, ce qui évite les refus dus à des données de carte obsolètes dans le cadre de la facturation récurrente ou des cartes stockées.
Is network tokenisation supported globally by all banks and issuers?
Adoption of network tokenisation is widespread among major global schemes and large issuers, but it is not yet universal. Some smaller regional banks or issuers in developing markets may not fully support the cryptogram validation required for network tokens.
In these instances, payment systems typically fall back to using the PAN or a standard gateway token. Merchants often use a hybrid approach to ensure maximum coverage while still benefiting from tokenisation where available.
Does implementing network tokens increase the latency of my checkout process?
The initial provisioning of a network token adds a small amount of communication between the PSP and the card scheme, but this is typically handled during the first transaction or when a card is saved.
Subsequent transactions using a stored token are comparable in speed to traditional authorisation requests. The efficiency gains from higher authorisation rates and fewer declines generally outweigh any marginal increase in initial processing time for the provisioning step.
Can network tokens be used for both CIT and MIT transactions?
Yes, network tokens are designed to support both Customer Initiated Transactions, such as an e-commerce checkout, and Merchant Initiated Transactions, such as recurring subscriptions or unscheduled top-ups. Each transaction type requires specific flags during the authorisation request to inform the issuer of the context.
For CIT, the cardholder is present and may undergo SCA, while MIT relies on the pre-existing agreement and the secure network token.
How does network tokenisation impact my chargeback and dispute processes?
The dispute process remains largely unchanged from a merchant's perspective when using network tokens. If a customer disputes a transaction, the merchant still receives a notification through their acquirer.
However, the use of network tokens and unique cryptograms can provide additional evidence that the transaction was authorised securely. This may assist in the representment process for certain types of disputes, although it does not provide an absolute guarantee against chargebacks.
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