The Ethereum ecosystem

In Chapter 1, Blockchain Basics, we studied how an Ethereum blockchain is represented as a giant Merkle tree with the leaves of the tree being the state of execution of a code. We also learned that blockchains are distributed ledgers with a web 3.0 framework.

Figure 2.4 depicts such a framework for an Ethereum technological stack. Things are going to get tricky now, so please pay close attention: