The liquidity aggregation investment strategy protocol DOUBLER has completed its seed round of financing, with YOUBI CAPITAL leading the investment. Other participating institutions include BIXIN VENTURES, MASK NETWORK, COMMA3 VENTURES, PIVOT LABS, CONTINUE CAPITAL, SANYUAN CAPITAL, WATERDRIP CAPITAL, DWF VENTURES, GATE LABS, FORMLESS CAPITAL, MT CAPITAL, and CATCHERVC. The specific financing amount has not been disclosed. DOUBLER is an open DEFI protocol that uses the Martingale strategy to aggregate market liquidity. It combines the zero-loss hedging demand with the profit-seeking demand of speculators while maintaining openness and interoperability.