Install the following applications in your system Ganache Metamask Import account in metamask (fake account) copy one of the private key present in Ganache app Import the private key in the metamask to create account change not connected to connected , to connect to local network To run the project npm update then npm start in cmd Open Ganache and select quick start Make sure you have truffle installed Type truffle deploy in the terminal Copy the address in build/contracts/SaveData.json and paste the address to each contract's PATIENT_DATA_LIST_ADDRESS in src/contracts/_.js Now you can start save and view the patient data REFERENCES Vishwas Paikra https://github.com/vishwaspaikra007 Satyam Lachhwani https://github.com/Satyam1203 Diksha Verma https://github.com/dikshaverma011 Vishwas Paikra https://github.com/vishwaspaikra007/blockchain