Mastering Ethereum is great, and the high-level concepts all still apply, but I think it's important to mention that quite a bit of it is outdated. Basically, i

Mastering Ethereum is great, and the high-level concepts all still apply, but I think it's important to mention that quite a bit of it is outdated. Basically, imagine you're reading a book on Kubernetes from a few years ago. Still applicable, but some of the details and API interfaces will have changed.