Liquidity pools are used to bridge assets, like @Tether_to's $USDT, that exist natively on multiple chains.
Two primary methods have historically been used to ensure liquidity: centralised liquidity and incentivised liquidity.
#Wanchain is introducing a third method. #XFlow https://t.co/2myV5PolKE
流动性池用于桥接资产，例如 @Tether_to 的 $USDT，这些资产原生地存在于多个链上。
历史上使用两种主要方法来确保流动性：集中流动性和激励流动性。