“…Real-time information sharing on IoT smart city platforms [23,117,119,120,122,123,126,129,130,136,138,139,145,147,[150][151][152][153][154][155][156] The city (especially local authorities) should focus on building smart environments (with free wireless internet, online parking systems, online trip planning systems for planning routes and the use of means of transport, traffic control, commercial sharing platforms and public platforms. blockchain etc.)…”