McKinsey has a fairly clear categorization for 6 use cases for corporate blockchain. Note: Category 6 which includes ‘everything else’. Which is a clear indication that they acknowledge the opportunity for many as yet un-imagined opportunities. But it is a good starting point.
McKinsey Blockchain Categories
![McKinsey Blockchain Categories](https://www.flashstarts.com/wp-content/uploads/2019/10/McKinsey-logo.png)