Why do I need a currency, which is used for trading, for this?
The federated web already exists. (Matrix, Jabber, Mastodon, Torrents etc)
The federated web already exists. (Matrix, Jabber, Mastodon, Torrents etc)
Nader Dabit has done an excellent job describing the use cases: https://www.freecodecamp.org/news/what-is-web3/
Everything mentioned int it can be done right now without crypto, it's called FOSS, and people have worked out how to monetise their ideas while keeping them open and reusable.