Smart contracts do provide a stable (immutable!) api which is designed for composable functionality, although it’s not used across different peoples contracts t

Smart contracts do provide a stable (immutable!) api which is designed for composable functionality, although it’s not used across different peoples contracts that much. A pipes like UI that binds things together could be interesting. If the connective contracts are also on chain you could in theory develop flash bots that execute everything in the same block.