Supply chains are yet to establish these standards, but they are emerging and being developed in concert with next generation of distributed ledgers, or DLTs.
In 2021, the Australian Dairy Farmers and GS1 released the first such one, it’s called the Australian Dairy Traceability standard. Datahash’s dairy alpha trial is based on this standard. Soon your favourite Fleurieu Milk and Golden North ice cream will travel with a simple data signature, just like your cash. Proving its journey from cow’s udder to you.