So say my use case was birth certificate recording. As far as I understand in the US, there are a bunch of databases run by the states where state employees ent

So say my use case was birth certificate recording. As far as I understand in the US, there are a bunch of databases run by the states where state employees enter records. There are access controls in place that stop them from removing records. What exactly would "blockchain" solve in this case? And I don't mean theoretical problems.