There are several participants in the system: landlord, tenant, driver or car, IoT box installed in each parking system, administrator and as a governing authority. The parking system consists of thin clients (such as a mobile or a web app), and each participant can access their part of functionality through the thin client. Every thin client is connected to a local EVM (Ethereum Virtual Machine) node, which in turn is connected to the rest of the Etherium network. The local node has an instance of the ledger, shared by all nodes, and also hosts smart contracts …Read more