Annika Monari and Alan Vey, graduates from London Imperial College and founders of ticketing solutions provider Aventus, know two things: the ticketing industry has a problem, and they have a solution. What is blockchain, and how did you become interested in the technology? Aninka: The easiest way to explain blockchain is by looking at how things have changed over time with technology. If you look way back, when post was the main way of communicating and people ...