Blockchain has been popularized by bitcoin since 2009. It is every decentralized system supporters dream. However, its applications are migrating towards other technologies because of the powerful tracking tech it is. As cybersecurity is a main concern that even got worse with the pandemic, how can it benefit from this technology? Is the blockchain really a safe “place” to rely on? Is it true that because of its complexity “it cannot be hacked”, as some experts claim?