PAYMENTS SIGNAL REFERENCE ARCHITECTURE · channel

Digital wallets, network tokenisation, 3-D Secure, and cardholder-data boundaries

See how a wallet enrols a card, uses a payment token and transaction credential, invokes authentication when required, and keeps raw card data inside controlled boundaries.

Payments Signal reference architecture v1Reviewed 2026-07-238 components10 interfaces3 stress cases

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TEXT-ONLY ARCHITECTURE

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01 / LOADING

Preparing the interactive workbench.

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