Which innovative cybersecurity measure was first widely adopted by major music streaming platforms to protect user payment data after the high-profile breaches of 2016-2017?

The music industry has faced unique cybersecurity challenges as it transformed from physical to digital distribution. From protecting unreleased tracks to securing artist royalty payments, cybersecurity has become critical in the industry. This poll tests your knowledge about a significant security innovation that changed how music retailers protect their customers' data. Do you know which groundbreaking approach revolutionized music retail cybersecurity?

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Blockchain-based transaction verification that creates immutable records of all purchases while maintaining customer anonymity
Tokenization systems that replace sensitive payment data with unique identification symbols, retaining essential information without compromising security
Quantum encryption protocols that leverage quantum computing principles to create theoretically unhackable payment processing systems
Biometric authentication requiring both facial recognition and voice pattern matching before processing any premium subscription payments