The number of counterfeit goods on the global market continues to grow and the ongoing pandemic has only made the situation worse. As estimated by Euromonitor International, the global economy has lost as much as $2.2 trillion from sales of fake products in 2020. What does the world do to overcome the crisis? Can science save the day? The answer is, in fact, yes. ITMO scientists have recently proposed a highly promising anti-counterfeiting technology – a special gel ink based on 3D printing. In this article, Egor Ryabchenko, a Master’s student at ITMO’s ChemBio Cluster, answers the most frequently asked questions about this novel method and others.