Which blockchain innovation has been most widely adopted by major pharmaceutical retailers to combat counterfeit medications?

Blockchain technology is transforming the pharmaceutical supply chain and medication verification processes in modern medicine. This secure, distributed ledger system offers unprecedented transparency and traceability for medications from manufacturer to patient. How well do you understand the implementation of blockchain technology in pharmaceutical retail? Test your knowledge about this cutting-edge intersection of healthcare security and retail distribution!

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MediLedger - a permissioned blockchain network that tracks prescription medicines with unique product identifiers
PharmaChain - a public blockchain system using cryptocurrency rewards for medication verification
RxTrack - a proprietary blockchain platform that requires patients to validate medications via smartphone
HealthBlock - a blockchain system primarily designed for hospital inventory management