# Clysterum Blockchain
In a public blockchain, participation is open to anyone, and there's no central authority controlling access. Users can join the network without needing permission, and the ledger is visible to all participants.
While the local use case may include recording financial transactions, the potential applications extend far beyond. Public blockchains can also be utilized to ensure the security and integrity of medical records, as well as expedite insurance claims processing.
Efficient and secure data processing within the healthcare system is pivotal for digital transformation, bridging physical and virtual realms. Transparent decision-making helps store patient information more rapidly and reliably.
Recently, wearable devices, medical IoT devices, personal health records, patient data, physician records, and medical research have become invaluable sources of data. This data can be securely stored on a public blockchain, ensuring its integrity. Verifying individual transactions on a public blockchain is cost-effective, as the information is monitored in real-time and accessible to authorized users across the network. Consequently, low-cost verification is economically feasible.
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