#XXX XXX Coin (Black Whale) is a cryptocurrency based on blockchain technology, focusing on ETF derivatives and synthetic asset management in the decentralized finance (DeFi) field. In the undercurrents of on-chain finance, Black Whale is carving out a unique path. Relying on the immutable underlying architecture of blockchain, it integrates the openness of DeFi with traditional asset management logic — breaking down complex financial instruments of ETF derivatives, allowing retail investors to indirectly anchor traditional assets like gold and stock indices; synthetic asset management is like building blocks, using smart contracts to piece together asset pools with different risk-return characteristics. In the trading pool, the pledge certificates of liquidity providers shine, and the clearing is automatically completed by code, with no cumbersome paper documents, only transparent digital flows on the chain. This is not a disruption, but more like a gentle infiltration: allowing professional financial tools to dive into the decentralized wave with a more equitable posture.