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

# Smart Contract

- [Issue ERC20](https://doc.cess.network/developer/smart-contract/issue-erc20.md)
- [Deploy an ink! Smart Contract](https://doc.cess.network/developer/smart-contract/deploy-sc-ink.md)
- [Deploy a Solidity Smart Contract](https://doc.cess.network/developer/smart-contract/deploy-sc-solidity.md)
- [Build a Proof of Existence dApp (ink!)](https://doc.cess.network/developer/smart-contract/poe-ink.md)
- [Build a NFT Marketplace (ink!)](https://doc.cess.network/developer/smart-contract/nft-marketplace.md)
- [Build a Proof of Existence dApp (Solidity)](https://doc.cess.network/developer/smart-contract/poe-solidity.md)