Algorithm 1: Storing patient body vital parameters in the database

Input: patientID, patient_body_parameters Output: Body parameters are stored in the database and Transaction is recorded. pragma solidity ^0.5.12; mapping(address => bool) authorizedPatients;  if( isPatientAuthorized(patientID))   store the patient body parameters in corresponding patient’s record;   transaction is recorded in the blockchain;   store the transaction hash and block number in the patient record;  }  else   Revert the transaction;    function public isPatientAuthorized(address patientID) public view return (bool approved)  {     return authorizedPatients[patientID];  }