AMERICA'S Washington and Oregon state-based Thrift Way supermarket chain is to introduce fingerprint scanning to authorise payments, speeding up checkout queues. The new biometric technology is also designed to prevent credit card fraud. Readers on credit-card machines at checkouts check customers' fingerprints and send encrypted data to data centres operated by Indivos, the company providing the service. That fingerprint is matched against a copy scanned into the database when a customer enrolled in the programme. After authentication, ...

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