Green Uni Network is organising an airdrop between 20th June and 3rd July for the promotion of its blockchain-powered digital network of European universities for globally-recognised diplomas in informatics and computer science. The airdrop requires each participant to complete a series of social tasks, such as like and follow on Twitter, at the end of which they will be eligible to receive 1000 Greeny tokens each, given that all the tasks are completed in line with the program rules.