Abstract
AbstractAiming at the problems of low transaction efficiency, digital asset copyright and transaction privacy in traditional digital asset trading platforms, based on alliance chain technology, this paper proposes a decentralized digital asset trustworthy copyright confirmation and transaction mechanism, which combines The common digital watermark technology in the field of traditional digital asset copyright confirmation and the common homomorphic encryption technology in the field of cloud computing solves the problem of user data privacy protection in the process of embedding digital watermark on the chain. And combined with smart contract technology to solve the problem of security and credibility of digital assets in the process of confirming the chain and transactions, realizing the confirmation of digital copyright and the traceability of transactions on the chain. Finally, experimental simulations prove that the reform mechanism can stably handle the copyright confirmation of digital asset transactions under normal circumstances, and basically meet the digital asset transaction needs of users.KeywordsConsortium blockchainDigital asset transactionCredible confirmation of copyrightsSmart contract
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