4 articles
How A2A payments work: customer authorizes, bank authenticates, funds transfer instantly, merchant receives settlement. Complete technical and business guide.
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Payment rails explained: card networks (Visa/Mastercard), bank transfers (SEPA), instant payments (SEPA Instant). Infrastructure that moves money between accounts.
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Strong Customer Authentication (SCA) explained: cryptographic proof, biometric verification, fraud prevention. Bank-level security enables safe A2A payments.
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Seven A2A payment initiation methods: QR codes, NFC, payment links, BLE, SMS, barcode, audio. Flexibility across contexts, devices, and customer preferences.
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