An overview of Ethereum transactions – how they work, their data structure, and how to send them via an application.| ethereum.org
An overview of Ethereum nodes and client software, plus how to set up a node and why you should do it.| ethereum.org
An explanation of Ethereum accounts – their data structures and their relationship with key pair cryptography.| ethereum.org
An explanation of the proof-of-stake consensus protocol and its role in Ethereum.| ethereum.org
An overview of blocks in the Ethereum blockchain – their data structure, why they're needed, and how they're made.| ethereum.org
An introduction to the Ethereum virtual machine and how it relates to state, transactions, and smart contracts.| ethereum.org
An explanation of the proof-of-work consensus protocol and its role in Ethereum.| ethereum.org