The following article is written as part of the program Future Proof. In my understanding, the buzzword Web 3.0 is a collective envisioning of the structure of the next generation of the internet. In an ideal state, it should be decentralized and based on blockchains. Users can control what and to whom the information is to be shared. Such nature is in contrast with the status quo of Web 2.0, where big tech companies occupy the market and thus are able to monopolize private data. Not all bloc...