Georgios Konstantopoulos
General Partner at Paradigm
Thessaloniki, Macedonia and Thrace, Greece
Summary
🤩
Rockstar🎓
Top SchoolGeorgios Konstantopoulos is a General Partner and former CTO at Paradigm with a decade of hands-on experience building cryptographic, distributed and blockchain systems. He blends deep research in mechanism design and applied cryptography with pragmatic engineering—contributing to foundational open-source projects like Foundry, ethers-rs, reth and Uniswap v3 core. Georgios’s work spans low-level protocol engineering (ETH P2P, execution stages), zk/snark optimizations and practical tooling for developer UX and testing, showing both system-level breadth and cryptographic depth. He has a track record of securing and scaling real-world protocols—from Plasma Cash implementations to recursive SNARKs for Celo—and has repeatedly delivered performance and correctness improvements in Rust and Solidity codebases. Based in Thessaloniki, he hires and mentors engineers across portfolio companies while still shipping code and tests himself, exemplifying an operator-researcher profile. A less obvious strength is his history of improving developer tooling and testing infrastructure, which often unlocks faster, safer protocol iteration across the ecosystem.
10 years of coding experience
5 years of employment as a software developer
Master of Engineering - MEng Electrical and Computer Engineering, Master of Engineering - MEng Electrical and Computer Engineering at Aristotle University of Thessaloniki (AUTH)Anatolia College
Greek, English, French, Japanese
Github Skills (52)
foundry10
transaction10
consensus10
solidity10
keystore10
back-end-development10
testing10
evm10
proofs10
databases10
contract10
command-line-interface10
proof10
elo10
signing10
Programming languages (24)
Github contributions (5)
foundry-rs/forge-template
Sep 2021 - May 2022
Forkable template to get you started with Foundry's Forge
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:9 reviews, 41 commits, 31 PRs in 8 months
Contributions summary:Georgios primarily focused on adding and improving tests for the project. This involved writing unit tests for the smart contract's functionality, specifically testing the "Greeter" contract. The contributions included setting up testing infrastructure, such as using a temporary testnet and creating test deployment scripts. Additionally, the user refactored tests and utilized various tools to ensure the project's reliability and deployability.
foundryforge
gakonst/ethers-rs
May 2020 - Jan 2023
Complete Ethereum & Celo library and wallet implementation in Rust. https://docs.rs/ethers
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 releases, 995 reviews, 409 commits in 2 years 8 months
Contributions summary:Georgios's contributions primarily focus on the development of the ethers-rs library, a Rust implementation for Ethereum and Celo. Their work includes implementing various transaction types and adding functionality for creating and signing transactions using both legacy and EIP-1559 transaction types. Furthermore, they have improved the project's structure through refactoring, code organization, and the introduction of new modules for handling ledger signing and automatic key rotation.
ethereumrustblockchainceloweb3
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