ChainCatcher message, Doubler is a yield strategy protocol that optimizes cryptocurrency asset investment while reducing risk in pursuit of certain returns.Doubler will bring the following features to BNB Chain users:On-chain Martingale: Implementing a universal Martingale strategy through smart contracts for fair and transparent operations.Liquidity aggregation: Aggregating market forces to provide liquidity for the Martingale strategy.Cash value locking: Providing yield and hedging services based on cash value.