[everfree]

The major problem is that private solutions (like consortium chains) offer privacy but no standardized interoperability or neutral root of trust, and public solutions (like Ethereum blobs) offer interoperability and neutrality but no inbuilt privacy.

I believe this will change either when consortium chains figure out the interoperability problem (so they can bridge seamlessly with public chains) or public chains figure out the privacy problem (allowing consensus over entirely private transaction zones).

To me it seems like the latter is more likely than the former. We've finally got both featureful/performant Ethereum roll-ups and private Ethereum roll-ups. Now the trick is to combine all those properties and bundle them into a business ledger that's high-performance, with customizable privacy zones, with consensus and data availability provided by a credibly neutral setup such as the Ethereum validator set.

This seems to be the direction some firms are going, for example Ernst & Young with their Nightfall product, and more recently their OpsChain Contract Manager to try to bring it to enterprise customers.