"Ethereum Essentials" by Junn

To store data on the blockchain

To pay for transaction fees and computational services on the Ethereum network

To serve as a digital currency for transactions

To create new smart contracts

Centralized control

Proof of Work consensus

Decentralized applications

Limited scalability

A blockchain platform

A programming language

A type of cryptocurrency

A digital wallet

A decentralized storage system

A runtime environment for executing smart contracts

A blockchain explorer

A type of cryptocurrency wallet

Proof of Work

Delegated Proof of Stake

Proof of Stake

Proof of Authority

Contracts that require a notary

Self-executing contracts with the terms directly written into code

Contracts that can only be executed in court

Contracts written in legal language