In its pursuit to enhance trust and transparency of data used in customs processes, the Working Group Open Customs Blockchain launched its second project aimed at making the customs clearance process more efficient. The Goods Passport ID (GPID) strives to revolutionise customs clearance by offering a single, reliable passport for goods flow, thereby ensuring trust by authorities and expediting clearance processes to mitigate delays. One of the primary challenges confronting customs authorities has been the evasion of duties and the illegal transportation of prohibited goods. These issues often arise due to the manipulation of only a few key pieces of data. Moreover, the complexity of data involved in electronic clearances, most of which are not firsthand, intensifies the problem, leading to delays in clearance processes. (....)