dApp - the Ownity web application which the user interacts with.
Server
2.1. API - the dApp-Server data exchange interface.
2.2. Database - a PostgreSQL database where all the data is stored.
2.3. Blockchain Event Scanner - performs Ownity smart contract event scanning and writes their details to the Database.
2.4. Oracle - the mechanism interacting with External Marketplace APIs and smart contracts.
