Why Traceability Matters: The Case for GDST
Seafood is one of the most complex food supply chains in the world. A single tuna caught in the Pacific may change hands a dozen times — vessel to dock, dock to processor, processor to importer, importer to distributor, distributor to retailer — before reaching a consumer's plate. At each handoff, information is lost, distorted, or simply never recorded.
The result is predictable: seafood fraud is rampant. Studies suggest up to one-third of seafood is mislabeled. Less visible but equally serious: unsafe or illegally caught product moves invisibly through supply chains because no one can trace it back to source.
Enter GDST
The Global Dialogue on Seafood Traceability (GDST) was established by an international coalition of NGOs, industry groups, and governments to address exactly this problem — not by creating a single database or platform, but by establishing the data standards that would allow different systems to talk to each other.
The insight behind GDST is crucial: traceability doesn't require everyone to use the same software. It requires everyone to record the same key data elements at the same critical tracking events in a format that is interoperable across systems.
What This Means in Practice
For a fisherman, GDST compliance means recording:
These records — captured at harvest, cooling, processing, and shipping — create a chain of custody that any authorized party can verify. A buyer in Tokyo can confirm that the salmon they just received matches the vessel log from a boat in Bristol Bay.
The Technology Layer
GDST uses GS1 standards — the same system underlying supermarket barcodes — as its technical backbone. EPCIS (Electronic Product Code Information Services) events record what happened to a product, where, when, and why. A GS1 lot code links those events together.
Platforms like Wholechain translate these technical requirements into simple mobile workflows that don't require a programmer or an IT department.
Why Now
The FDA's Food Traceability Final Rule (effective January 2026 for most entities) mandates traceability records for seafood on the Food Traceability List. GDST compliance is not legally required — but it is the global standard that positions producers for international market access and builds the trust that premium prices require.
The supply chain transformation has begun. The question for every producer is: will you lead it, or follow it?