It is fascinating to see how quickly technology can develop in such a short time. When I started with blockchain in 2015, there was really only Bitcoin as a use case. Today there are countless other cool developments. From NFTs and Metaverse to Decentralized Financing (DeFi) and Organizations (DAOs). Also stablecoins, smart contracts and much more. However, the news has only recently been about crashes in cryptoland. That is why I share the 5 coolest developments in the field of blockchain in this article.