“…Data within blockchains could become a valuable source for enforcement agencies, fisher, traders, consumers, and scientists (Pauly and Zeller, 2003;Sumaila et al, 2007;Mora et al, 2009)to analyse catch and landing volumes as well as revenues of producers, processers, and traders. At the moment, these data have to be actively gathered by governmental agencies requiring significant funding and manpower (Stransky et al, 2008;Do ¨rner et al, 2018). If landed fish and seafood would automatically register to a blockchain, landing volumes of a species could be counter checked with global retail volumes to identify and track discrepancies.…”