Provenance shows a case study of using the blockchain to insure tuna is produced by socially and environmentally acceptable methods. provenance tuna tacking case study

Don't these sound contradictory?

A centralized system, with a governing third party was, until recently, the only conceivable way to achieve data and transaction transparency. The truth is that no single organization can be responsible for making data throughout a whole supply chain transparent. Third parties like NGOs or industry associations, rarely manage even one of these two aspects of transparency, and even if they could, they would become a single point of weakness.

But later. Who decides which producers can register as certified??...

The social and environmental conditions for the fishermen at the point of capture are verified through trusted local NGOs, whose audit systems validate their compliance to an external standard, resulting in their eligibility to participate in the Provenance-validated chain of custody.

Does this emperor have clothes???