After being legalized as an agricultural commodity by the 2018 U.S. Farm Bill, the Industrial Hemp production is moved from limited pilot programs to a regulated agriculture production system, and the market keeps increasing since then. However, Industrial Hemp Supply Chain (IHSC) faces several critical challenges, including high complexity and variability, data tampering, and lack of immutable information tracking system. In this paper, we develop a blockchain enabled internet-of-things (IoT) platform for IHSC to support process tracking, scalability, interoperability, and risk management. Basically, we create a two-layer blockchain with proof-of-authority based smart contract, which can leverage local authorities with state/federal regulators to ensure and accelerate quality control verification and regulatory compliance. Then, we develop a user-friendly mobile app so that each participant can use smart phone to real-time collect and upload their data to the cloud, and further share the process verification and tracking information through the blockchain network. Our study indicates the proposed platform can support interoperability, improve the efficiency of quality control verification, and ensure the safety of regulated IHSC.

翻译：2018年《美国农业法案》将工业大麻生产合法化为农业商品后,工业大麻生产从有限的试点方案转移到受监管的农业生产系统,此后市场不断增加。然而,工业大麻供应链(IHSC)面临若干重大挑战,包括高度复杂和多变性、数据篡改和缺乏不可变信息跟踪系统。在本文中,我们为IHSC开发了一个能够支持流程跟踪、可缩放性、互操作性和风险管理的连锁互联网平台。基本上,我们创建了一个基于权威证明的双层链,以智能合同为基础,利用地方当局与州/联邦监管机构的杠杆,确保并加快质量控制核查和监管合规。然后,我们开发了一个方便用户的移动应用程序,以便每个参与者都能使用智能手机实时收集和上传数据到云端,并通过阻塞链网络进一步共享流程核查和跟踪信息。我们的研究显示,拟议的平台可以支持互操作性,提高质量控制的效益,并确保受监管的IHSC的安全。