Bifrost

Bifrost is the DeFi project for PoS tokens, that include staking and liquidity both. It allows to get vToken for operations and delivering liquidity, plus you got staking rewards all the time your DOT, KSM,EOS or other token blocked by the smart-contract. You get reward from the Day 1 of nomination, without locking periods and can change your, for example, vKSM for KSM any time.