Online payment gateways such as Stripe, PayPal, and Square process trillions in transaction volumes annually across global commerce. Yet rampant phishing, spoofing, stolen cards, and merchant fraud hemorrhage billions in losses yearly. Let’s examine how payment gateways leverage big data analytics, AI, tokenization, and blockchain to help merchants mitigate risks without adding customer friction. Understanding payment fraud dynamics Payment gateways allow online businesses to securely accept credit cards and alternative payment methods like Apple Pay or PayPal by providing embedded checkout modules and APIs. As intermediaries, gateways screen customers and funds on behalf of merchants before settlement. However, common attacks like phishing and SQL injections exploit vulnerabilities beyo
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