3D Marketplace: Distributed Attestation of 3D Designs on Blockchain

Nachiket Tapas, Sofia Belikovetsky, Francesco Longo, Antonio Puliafito, Asaf Shabtai, Yuval Elovici

2022 IEEE International Conference on Smart Computing (SMARTCOMP), 311-316, 2022

Industry 4.0 encourages the integration of intelligent technology with manufacturing systems. Among them, additive manufacturing (AM) is critical to solving some of the fourth industrial revolution’s most pressing needs. With AM gaining popularity, the need for the validation of 3D designs grows. In this paper, we introduce a novel concept of a distributed marketplace that will support the attestation of 3D printing designs. We build a mathematical trust model that ensures truthfulness among rational, selfish, and independent agents, which is based on a reward/penalty system. The payment for participating in the evaluation is calculated by factoring in agents’ reputations and peer feedback. Moreover, we describe the architecture and the implementation of the trust model on the blockchain using smart contracts for the creation of a distributed marketplace. Our model relies both on theoretical and practical best practices …