Correction: Kumar et al. A Novel Decentralized Blockchain Architecture for the Preservation of Privacy and Data Security Against Cyberattacks in Healthcare. Sensors 2022, 22, 5921

In the published publication [1], there was an error regarding the affiliation “Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences (UCAS), Shenzhen 518055, China”, for Ijaz Ahmad due to improper authorization. The updated affiliation is as follows: “Institute of Computer Sciences and Information Technology (ICS/IT), The University of Agriculture, Peshawar 25130, Pakistan”.

Reference [10] and Reference [14] were retracted. A correction has been made to Section 1, Paragraph 9. We have updated the sentence “Some applications that integrate and support blockchain technology in the field of EMR and EHR are MedRec [3], FHIRChain [9], Medshare [10], Ethereum applications, MedBlock [11], BlockHIE [12], Ancile [13], and OmniPHR [14].” The sentence has been updated to “Some applications that integrate and support blockchain technology in the field of EMR and EHR are MedRec [3], FHIRChain [9], Ethereum applications, MedBlock [10], BlockHIE [11], and Ancile [12].”

In Section 1, Paragraph 10, we have updated the sentence “MiStore [18] is considered a medical and health insurance system using blockchain that secures and encrypts health-related data [1,9,10,14,18,19,20,21,22].” The sentence has been updated to “MiStore [16] is considered a medical and health insurance system using blockchain that secures and encrypts health-related data [1,9,16,17,18,19,20].”

References [10,14] have been removed. With this correction, the order of some references has been adjusted accordingly.

The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.