Useful explanations, guides, comparisons, analysis and interesting developments.
Learn how an ATM asks your bank for authorization, receives balance or approval information, selects notes from cash cassettes and checks the cash before dispensing it.
Follow an ATM withdrawal from card insertion and encrypted PIN entry through the ATM switch, NFS or card network, bank authorization and cash dispensing.
Learn how FASTag uses passive RFID, toll-plaza readers, the NETC network, NPCI and banks to identify your vehicle and deduct the correct toll.
Learn what happens behind the scenes in a UPI payment, from scanning a QR code and entering your PIN to bank communication and confirmation.
Follow a UPI payment from QR scan and UPI PIN to NPCI routing, sender-bank debit, receiver-bank credit and interbank settlement.
Learn what the RBI repo rate actually is, why it changes, and how it can affect home loans, EMIs, deposits, inflation and the wider economy.
