Bernstein.io [1] is using it for patent and trade secrets verification. I've also seen an internal system with Merkle-tree-structures to verify digital safety i

Bernstein.io [1] is using it for patent and trade secrets verification. I've also seen an internal system with Merkle-tree-structures to verify digital safety inspections (e.g. that all devices can check the integretity of those checks and no supervisor can "modify" the database)