Looking at Liquid staking, there is a lack of interoperability. The majority of all liquid staking protocols operate on a specific network, which is only operating on one network at a time. If liquid staking protocols can operate on two or more networks, I believe that can help improve the yield earning percentage. Introducing this mechanism can help improve Liquid Staking.
There is actually one blockchain network trying to introduce a revolutionary technology which is aimed to enable across network liquid staking. I believe Cosmos(ATOM) IBC (Inter-Blockchain Communication) technology is aimed at allowing any blockchain networks that adopts IBC to communicate with each other effortlessly. The underlying principle behind this technology is to enhance the transfer of Assets between any IBC adopted chains.