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In healthcare, nowadays the foremost data of healthcare is used for retaining the security and safety, which is considered as the eminent application of blockchain. Keeping data sealed is a valuable issue in the health sector. Blockchain presents a stable, secure, decentralized, and transparent log of patients’ data and becomes a widespread security application in this field. From complex and secure code it can conceal the user’s identity privately from massive codes that enable the maturity of sensitivity. The decentralized nature of blockchain presents the same information to doctors, nurses, paramedic staff, and also patients quickly and securely. Mettler described one of the Netherland‐based security organization partners with the Estonia government, who implemented Guardtime, to facilitate the framework of blockchain to authenticate the patients’ identity [21].