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POS Terminal EMV Flow

Step through card detection, APDU exchange, terminal risk management, secure PIN entry, online authorisation, receipt evidence, and fallback.

CardKernelPINHostReceiptFallbackposCarddetectedKernelselect AIDSecureidleHostofflineThe terminal is a protocol endpoint, not only a card reader.
Step 1 / 6Card or phone enters the payment field

The terminal detects contact chip or contactless card and starts the payment application selection process.

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