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Kuda Sravani Sandhya Sree

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Open access Sep 2026

A Secure Blockchain-Based Offline Payment System with Fraud Window Analysis

The rapid growth of digital payment systems has increased the demand for secure and reliable payment mechanisms capable of operating in environments with intermittent or unavailable Internet connectivity. Conventional blockchain-based payment systems typically require continuous network access for transaction validatio...

Kuda Sravani Sandhya Sree · 0 citations

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