Both sMPC protocols and zero-knowledge proofs are powerful and somewhat complex technologies. They are a bit too much for most enterprise blockchain applications, since you are likely to trust the participating parties. A permissioned blockchain is a more suitable solution in this case.
A permissioned, or consortium blockchain, is a type of private blockchain. It provides many features designed to preserve participants' privacy, and it provides a hybrid solution between the low-trust public blockchain model and the single (highly) trusted entity private blockchain model. Thus, instead of everybody who has an internet connection participating in the network and its verification process, or allowing a single entity (or ...
