Which blockchain-enabled feature has most significantly reduced counterfeit pharmaceuticals in global supply chains?

Pharmaceutical companies and healthcare providers are increasingly turning to blockchain technology to enhance supply chain integrity and patient safety. This secure, decentralized ledger system offers unprecedented transparency in tracking medications from manufacturing to patient delivery. How well do you understand this transformative technology's impact on the medical industry?

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End-to-end traceability with immutable transaction records
Cryptocurrency payment options for medical purchases
Smart contract automation of doctor prescriptions
Decentralized patient record storage systems