# 1. Ethereum Basics

This section is a high level overview of what Ethereum is. It is based on the following content:

* [**Secureum's Ethereum 101 keypoints**](https://secureum.substack.com/p/ethereum-101)
* **Secureum's Ethereum 101** YouTube videos:
  * [Block 1](https://www.youtube.com/watch?v=44qhIBMGMoM)
  * [Block 2](https://www.youtube.com/watch?v=zIeBfuXxuWs)
  * [Block 3](https://www.youtube.com/watch?v=ltvTIr4K63s)
  * [Block 4](https://www.youtube.com/watch?v=MFoxW07ICKs)
  * [Block 5](https://www.youtube.com/watch?v=I-TjCtjDs1M)
* **Mastering Ethereum Book**
