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The rapid development of Artificial IntelligenceGenerated Content (AIGC) hasbrought daunting challenges regarding service latency, security, andtrustworthiness. Recently, researchers presented the edge AIGC paradigm,effectively optimize the service latency by distributing AIGC services to edgedevices. However, AIGC products are still unprotected and vulnerable totampering and plagiarization. Moreover, as a kind of online non-fungibledigital property, the free circulation of AIGC products is hindered by the lackof trustworthiness in open networks. In this article, for the first time, wepresent a blockchain-empowered framework to manage the lifecycle of edge AIGCproducts. Specifically, leveraging fraud proof, we first propose a protocol toprotect the ownership and copyright of AIGC, called Proof-of-AIGC. Then, wedesign an incentive mechanism to guarantee the legitimate and timely executionsof the funds-AIGC ownership exchanges among anonymous users. Furthermore, webuild a multi-weight subjective logic-based reputation scheme, with which AIGCproducers can determine which edge service provider is trustworthy and reliableto handle their services. Through numerical results, the superiority of theproposed approach is demonstrated. Last but not least, we discuss importantopen directions for further research.

Blockchain-Empowered Lifecycle Management for AI-Generated Content (AIGC) Products in Edge Networks