Through SALP, it may benefit the following three roles in Polkadot ecosystem: User: Derivatives enhance the user's control over opportunity costs, while the vsToken/vsBond helps contributors to determine the utility and equity of derivatives. Moreover, the high liquidity from integrating all parachain contributions may reduce the high discount costs by a separated single-parachain derivative pool. Parachain projects: Projects that support the Bifrost SALP will have the advantage of attracting contribution, and will be more competitive in the parachain auction. In addition, the fierce competitive environment will promote the accelerated innovation of parachain projects. Polkadot ecosystem: According to the concept of "flexible lock-up" of liquidity derivatives, more contributors willing to participate in Crowdloan through centralized services will be attracted to on-chain, weakening the controlling ratio of DOT/KSM by centralized institutions, makes parachain auction more decentralized. In addition, a high-locked asset ratio can promote the security of PoS chain, and derivatives will eliminate the negative effect of low circulating.