Blockchain still an incomplete solution looking for a problem to solve?

Use cases look best for private managed solutions like Mearsk and Shipping but that's not the widespread adoption blockchain promised.

For now "..without standardisation and a lot more work, for every use of blockchain that you would consider today there is a better technology.”

One other key question; how does GDPR compliance, redaction and "right to be forgotten" i.e. remove personal data work in a public blockchain?