# Smart Contract

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