Which innovative cybersecurity measure has been widely adopted by major sports retailers like Nike and Under Armour to protect customer data during mobile transactions?

In today's digital age, sporting goods retailers face unique cybersecurity challenges as they collect vast amounts of customer data through loyalty programs, online purchases, and in-store tracking. Test your knowledge about how major sports retailers protect their customers' information and maintain secure shopping environments while balancing personalized experiences.

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Tokenization technology that replaces actual payment information with unique digital identifiers during transactions
Quantum encryption protocols that scramble data using light-based algorithms
Biometric verification requiring customers to submit DNA samples before major purchases
Blockchain receipt validation requiring distributed consensus for each transaction