Blockchain, the underlying technology that enables cryptocurrencies like Bitcoin to function, provides a method of data management that is both distributed and decentralized. It offers a ledger that is open to inspection, impossible to alter, and immutable, and it keeps information in a chain of blocks connected via cryptographic hashes.
https://megamindstechnologies.com/blog/applications-of-blockchain-technology-to-protect-electronic-health-record-systems-in-2023/