Projects & Previous Work

GitHub: github.com/metachris

Organizations & Collaborations

I’ve had the privilege to work with:

Blockchain & Web3:

• Flashbots - MEV research and infrastructure
• Nash - Cryptocurrency platform and wallet
• NEO Smart Economy - Smart contract platform
• City of Zion - NEO developer community
• Red Pulse - Blockchain research platform

Tech & Open Source:

• Google Summer of Code (2008)
• One Laptop Per Child (OLPC) - Educational technology
• Metalab Vienna - Hackerspace and community
• MeetMe.com - Social discovery platform
• All About Apps - Mobile app development
• Doctors Without Borders - Humanitarian aid

Featured Projects

Ethereum & MEV Infrastructure

• BuilderNet - Ethereum block building network running in Trusted Execution Environments (TEEs), enabling decentralized and verifiable block construction

• MEV-Boost - Critical Ethereum infrastructure allowing validators to outsource block construction. Used by majority of Ethereum validators post-Merge

• MEV-Boost Relay - High-performance relay mediating between Ethereum validators and block builders, processing billions in transaction value. Powers boost-relay.flashbots.net

• SUAVE - Single Unifying Auction for Value Expression. Next-generation decentralized block building infrastructure

• Mempool Dumpster - Free public archive of Ethereum mempool transactions for research and analysis

• Relayscan.io - Comprehensive statistics and monitoring for the MEV-Boost relay ecosystem

• Flashbots Protect - RPC endpoint protecting users from frontrunning and MEV, integrated with wallets like MetaMask

Blockchain Tools & Infrastructure

• prio-load-balancer - Priority JSON-RPC load balancer with retries and SGX RA-TLS support

• go-boost-utils - Eth2 builder API types and signing utilities for Golang

• eth-reorg-monitor - Monitor and track Ethereum chain reorganizations

• go-ethutils - Ethereum data analysis utilities and helpers

• flashbots utilities - Flashbots tooling and data analysis suite

• eth-go-bindings - Go bindings for Ethereum smart contracts: ERC20, ERC165, ERC721, ERC777, ERC1155

NEO Blockchain Ecosystem

• neo-python - Python SDK and full implementation of the NEO blockchain. Core tool for NEO development

• NEO Private Network - Docker-based local NEO blockchain for development and testing

• Python NEO Smart Contract Workshop - Educational materials and tutorials for NEO smart contract development

• Docker images: NEO private network, neo-python

• Red Pulse Smart Contract - Token migration smart contract

Applications

• Nash App - Cross-platform cryptocurrency wallet and trading platform

• Red Pulse App - Cross-platform app for blockchain-based research platform

• Flock Multiplayer Engine - Mobile multiplayer-as-a-service platform

• PDFx - PDF metadata and link extraction tool

Hardware & IoT

• frischluft.works - CO2 monitoring system with real-time charts and alerts. Built with MicroPython on ESP32

• micropython-ctl - TypeScript library for communicating with MicroPython devices

• RPIO - Raspberry Pi GPIO library with advanced features including software PWM

• Blinkenschild - RGB LED display for events and installations (featured on Hackaday, video, source)

• USB Looper, Multilooper - Robust media player designed for exhibitions and museums

Developer Tools & Libraries

• TypeScript Boilerplate - Modern TypeScript project template for Node.js and browsers. 2.8k+ GitHub stars

• logzero - Robust and effective logging for Python 2 and 3. 1k+ GitHub stars, widely used in production

• python-boilerplate.com - Interactive Python project boilerplate generator

• go-template - Golang project template and toolbox for rapid, well-structured development

• TypeScript + Node.js Boilerplate - Minimal, solid project setup template

Early Projects & Historical

• Most Simple Ajax Chat Ever (2006) - One of the first Ajax-based chat applications

• Ajax Chess (2006) - The world’s first JavaScript multiplayer online chess game

• Android Snippets - Android code sharing platform (pre-Stack Overflow era)

• CSS Pivot - Tool to modify and share custom CSS for third-party websites

• Backend Info - Browser extension detecting website backend technologies

• My Market (2010) - Enhanced Android Market app built through reverse engineering

• xo-get - Package manager for OLPC’s XO laptop

Talks, Podcasts, Workshops & Teaching

Podcasts & Interviews

• UCC2: An Incomplete Guide to PBS - Deep dive into Protocol Block Space with Mike Neuder

• zeroknowledge.fm Episode 243 - Dive Back into MEV with Alex Stokes and Chris Hager

• Shanghai Debrief with Galaxy - What’s next for Ethereum post-Shanghai upgrade

• Chaos Radio (CRE071) (70 min, German) - Deep dive into One Laptop Per Child initiative

• Rundfreifunk at 24C3 (15 min, English) - Live from Chaos Communication Congress about OLPC

Workshops & Conferences

NEO Smart Contract Development with Python:

• NEO DevCon 2018 (San Francisco) - Full-day workshop at GitHub headquarters teaching Python smart contract development (YouTube recording, 2h 17m)

• Neo World Tour 2018 (Vienna, Austria) - Smart contract development workshop

• Blockchain Summit 2019 (Vienna, Austria) - NEO smart contract workshop

• Workshop resources: Python Smart Contract Workshop materials

Other Speaking & Teaching:

• Software Engineering & Android Development - Lecturer at University of Applied Sciences Vienna

• Git Workshops at Metalab Vienna (2014) - Community workshops on version control

• Space Generation Advisory Council Congress (Daejeon, South Korea, 2012) - International space development conference