基于同態(tài)加密和零知識證明的區(qū)塊鏈可擴展隱私保護方案

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關鍵詞：區(qū)塊鏈；同態(tài)加密；零知識證明；隱私保護；可擴展性

中圖分類號：TP309.2 文獻標志碼：A 文章編號：1001-3695（2025）07-003-1939-09

doi：10.19734/j.issn.1001-3695.2025.01.0002

Abstract：To address the increasing privacy protectionandscalability issues arising withthe widespreaduseof blockchain technology，thispaperproposedanimprovedalgorithmbasedontheOkamoto-Uchiyamaencryptionsheme.Thisalgorithmnot onlyimplementeddataencryptionbutalsosupportedzero-knowledgeprofs，esuringcompleteprivacyprotectionofusertrasactiondata.Aditionall，thepaperdesignedapaymentschemebasedonananonymousbidirectionalof-chainchael，which supportedfastandhigh-frequencyof-chaintransactions，effctivelyallviating blockchainsalabilityconcers.Comparedto existingalgorithms，theproposedmethoddemonstratedsignificantdvantages insystemparametergeneration，keygeetion， encryptionandcioficyoeicalasisdxperimetalultslidatecityasiilitydi cy of the scheme.

Key words：blockchain；homomorphic encryption；zero-knowledge proof；privacy protection；scalability

0引言

區(qū)塊鏈技術因其去中心化、無可信第三方、分布式賬本和交易記錄不可竄改的特性，近年來在物聯(lián)網領域的交易應用中備受關注。（剩余21917字）