> For the complete documentation index, see [llms.txt](https://course.cess.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://course.cess.network/ep2.md).

# Episode 2- Blockchain Architecture & Key Technologies

* Slides: [Episode 2- Blockchain Architecture & Key Technologies](https://docs.google.com/presentation/d/1Y2l-X08u0uZbQprBe9cwAGTxTUE2kVlZFC4kT2mfIh4/edit?usp=sharing)

## Topics

* CESS Network Platform Architecture
* Key Technologies
  * Proof of Data Reduplication and Recovery
  * Multi-format Data Rights Confirmation
  * Random Rotational Selection Consensus Mechanism
  * Proxy Re-encryption
  * CESS AI-LINK
  * Smart Space Management
* Client Interaction Model

## Course Videos

### Episode 2- Blockchain Architecture & Key Technologies

{% embed url="<https://youtu.be/ZF534vv6kdg>" %}

## Action Items

* Join [Discord Channel](https://discord.gg/8dnTGdWQ)
* Join [Telegram](https://t.me/CESS_Storage_official)

## Further Study

* Read through the CESS Doc
  * [CESS Whitepaper](https://github.com/CESSProject/Whitepaper/blob/main/cess-whitepaper.pdf)