> For the complete documentation index, see [llms.txt](https://pharmachainai.gitbook.io/pharmachain/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pharmachainai.gitbook.io/pharmachain/a-global-solution/the-role-of-blockchain-and-ai.md).

# The Role of Blockchain & AI

While solving the entire problem will take time, incremental solutions can accumulate to resolve it fully.

Leveraging blockchain and AI, Pharmachain has developed a technology that can:

* Predict the closest local pharmacy or drug store with a specific medication(s).
* Enable users worldwide to contribute to a data pool by searching, requesting, and purchasing medications from participating pharmacies.
* Allow users to provide evidence of medication availability at a pharmacy using their devices, thereby contributing to the pool for others to benefit.
* Using blockchain, the platform ensures transparent traceability of medications. PHAI tokens are required for searches; upon purchase, the token binds to the medication and pharmacy, enabling on-chain verification and tracing back to the origin, combating counterfeits and enhancing supply chain integrity.
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  <br>

This data is attributed to the participant, who is rewarded with tokens.&#x20;

The information is stored in a decentralised AI blockchain that Pharmachains integrates and retrieves as needed.


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