# Devnet0x blockchain repos

By [Devnet0x](https://paragraph.com/@devnet0x) · 2023-01-17

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Hi there 👋 my name is Juan, please visit my repos and i hope you can find something that can help you on your way to the moon…:)

**Smart Contract CTF Writeups 🎯**

*   Secureum Defi A-Maze-X([writeup](https://github.com/devnet0x/Blockchain/tree/master/ChallengesCTF/A-maze-x))
    
*   Damn Vulnerable Defi with Foundry([writeup](https://github.com/devnet0x/Blockchain/tree/master/ChallengesCTF/DVDF_Foundry))
    

**Smart Contract CTF Solutions 👷**

*   Ethernaut([link](https://github.com/devnet0x/Blockchain/tree/master/ChallengesCTF/Ethernaut))
    
*   CaptureTheEther([link](https://github.com/devnet0x/Blockchain/tree/master/ChallengesCTF/CaptureTheEther))
    

**Starknet Dev Challenges ⛰️**

*   Starknet Messaging Bridge([writeup](https://github.com/devnet0x/Blockchain/tree/master/Cairo/starknet_messaging_bridge))
    
*   Starknet-Cairo-101
    
*   Starknet-ERC721
    

**Starknet Tools ⛰️**

*   Proto Build: Shell for compile, declare and deploy with Protostar ([link](https://github.com/devnet0x/Proto_build))
    

**Ethereum Web3 Dapps (on goerli) 🕸️**

*   DAO w/ERC1155 published in UniswapV3([link](https://jpdao.vercel.app/))
    

**Solana Web3 Dapps (on devnet) 📫**

*   Solana Gif Account Records([link](https://gifportal-ashen.vercel.app/))
    
*   Solana NFT Drop([link](https://jpdrop.vercel.app/))
    

**Contributions 👑**

*   Damn Vulnerable Defi with Foundry([link](https://github.com/nicolasgarcia214/damn-vulnerable-defi-foundry/graphs/contributors))
    
*   Secureum A-Maze-X Defi CTF(link)
    

**Bootcamps/Workshops 🎓**

*   Starknet Bootcamp
    
*   Solana Smart Contracts Intro
    
*   ZK rollups, Introduction to Cairo and Starknet
    
*   Defi Programming Introduction
    
*   Smart Contracts Hacking Introduction
    
*   Blockchain Programming Introduction
    

**Training 🎓**

*   Advanced Solidity: Yul and Assembly
    
*   Ethereum Solidity Course
    
*   Mining Rig Building
    
*   Crypto Trading
    
*   6 months Blockchain Diplomated
    

**Other source code examples🔭**

*   Chainlink (Random and Market Price)
    
*   ERC20 token
    
*   ERC721 nft

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*Originally published on [Devnet0x](https://paragraph.com/@devnet0x/devnet0x-blockchain-repos)*