ChainCatcher news, the on-chain order book development project Spark based on Fuel Network has announced the completion of a $1.5 million Pre-Seed funding round, with participation from P2 Ventures, Curiosity Capital, Unicorn Ventures, and Fuel Network, among others. Valuation details have not been disclosed. Spark can be seen as a DeFi super application on the Fuel Network, integrating a series of financial services such as perpetual contracts, order books, and lending functions. It also introduces a multi-collateral full-margin system, supporting diversified asset deposits and complex risk management liquidation protocols, while utilizing order books and tools to facilitate non-custodial interactions.Additionally, the Web3 asset data platform RootData shows that Spark is a perpetual contract order book trading platform based on a full-margin oracle built on the Fuel Network.