Georgios Konstantopoulos is General Partner & CTO at Paradigm and CTO at Tempo, a payments-first Layer 1 blockchain co-founded by Paradigm and Stripe that launched its mainnet in March 2026. Georgios Konstantopoulos's Twitter Score is 749 out of 1000 (an Excellent rating) as of July 2026, ranking him #95 out of 389,201 crypto accounts tracked on this platform, with 187,622 followers on X. Georgios Konstantopoulos ranks #95 (top 0.1%) out of 389,000+ tracked accounts on TwitterScore.
Georgios Konstantopoulos is team lead of Reth, Paradigm's Rust Ethereum execution client first announced in December 2022. He co-authored Reth 2.0 in April 2026, achieving 1.7 Gigagas/s throughput and approximately 240 GB disk footprint. Tempo is built using the Reth SDK as a library rather than a fork. He co-founded Foundry, Paradigm's Rust Ethereum development toolbox announced in December 2021, and co-founded ethers-rs in 2020 with James Prestwich. He also co-founded Alloy, the rebranded and rewritten evolution of ethers-rs, co-authoring the Alloy v1.0 stable release in May 2025. He drives Paradigm's open-source strategy and execution and invests in founders building with frontier technology, with technical areas of focus including MEV, layer 2, proof of stake, and ZKPs.
Georgios Konstantopoulos co-authored the November 2024 Solar Solidity compiler announcement and the Ethereum Acceleration essay in January 2025, advocating faster Ethereum core protocol shipping. He co-authored the May 2026 open-source release of Centaur, a self-hosted multiplayer AI agent runtime from Paradigm and Tempo. He previously served as CEO of Ithaca, which received a $20M Paradigm investment in October 2024. The Ithaca team joined Tempo in October 2025, with the Porto wallet stack reaching production-ready status at that time. Before his current roles, he worked as an independent consultant and researcher in cryptography, information security, and mechanism design.
Georgios Konstantopoulos has published 22,710 posts on X. He has been mentioned by 600 accounts, with 1,265 total mentions.
Who follows Georgios Konstantopoulos on X?
The accounts that follow Georgios Konstantopoulos include 2,936 founders, 757 angel investors, 1,270 influencers and 81 VCs, among them Solana, vitalik.eth, Laura Shin, Toly, Cobie and jesse.base.eth.