Ekiden

Ekiden is a Lisbon-based startup building blockchain-based trading infrastructure, specifically a decentralized derivatives trading platform designed for high-frequency and algorithmic trading. Their goal is to make blockchain-based derivatives a usable tool for serious market participants, offering faster, more secure, and higher-performance trading while preserving transparency and user control. The platform is being built on Arbitrum and is intended for professional users like trading firms and market makers.