> 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/ep9.md).

# Episode 9- dApp Development using Solidity Smart Contract

* Slides: [Episode 9- dApp Development using Solidity Smart Contract](https://docs.google.com/presentation/d/10FalqeiLwL9xx6I2thq4_45Me3MB3Xs3Q28P-5PL2eU/edit?usp=sharing)

## Topics

* Why choose Solidity Smart Contract?
* Commonly Used Libraries
* Substrate-EVM Address Conversion
* Demo: Transferring Funds Between Substrate and EVM
* Demo: Deploying Solidity Smart Contract

## Course Videos

### Part 1- Introduction to Solidity Smart Contract

{% embed url="<https://youtu.be/nnUlD8IKbxI>" %}

### Part 2- Transferring Funds Between Substrate and EVM

{% embed url="<https://youtu.be/zAit6PnI2E0>" %}

### Part 3- Demo: Deploy Solidity Contract

{% embed url="<https://youtu.be/NJEHRzB97k4>" %}

## Action Items

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

## Further Study

* Read through the CESS Doc
  * [Deploy a Solidity Smart Contract](https://doc.cess.network/developer/smart-contract/deploy-sc-solidity)
  * [Build a Proof of Existence dApp](https://doc.cess.network/developer/smart-contract/poe-solidity)