The aim of the amendment was to push some debit card transaction costs from retailers onto their banks that assume consumer credit risks and process transactions.

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Through Citicorp and Citi Holdings, Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services and wealth management.

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Best in class fraud detection vendors track various parameters of a transaction viz. the geo- location , device id, credit card eligibility of the consumer involved, etc. and try to identify a possible fraud, if any.

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