Table 1: Agricultural Blockchain Projects19
While the adoption of blockchain technology for agricultural commodity tracing is a positive step, there are many critical issues that need to be addressed before the use of blockchain technology for this purpose becomes widespread both technologically and ethically. One of the most fundamental challenges facing large-scale meaningful adoption is the limited research done to identify the Key Data Elements needed to ensure blockchain technology can be implemented consistently for different commodities and regions20. Owing to the lack of pre-defined frameworks to help determine what data are needed to meaningfully track agricultural commodity origins it is arguably difficult to scale up blockchain technology beyond the case-study scale. Figure 1 defines the key conceptual blocks that go into designing blockchains for operationalising supply chain traceability.