Often overlooked is the importance of interoperability between not only the second-layer protocol and Bitcoin but the layer-2 protocols themselves. A second layer, where end-users can leverage several protocols together and move seamlessly between them, creates a healthier, more resilient financial system and an overall better user experience—both essential for mass adoption. -- Chase Smith

Increasing Interoperability Between Bitcoin’s Second-Layer Protocols

https://blog.blockstream.com/increasing-interoperability-between-bitcoins-second-layer-protocols/