Abstract: In view of the problems that existing in translation trading solutions cannot guarantee the security of highly confidential texts when bidding for translation, translation costs and processes are difficult to control, and post-translation disputes are not easy to handle, a new anonymous blockchain based smart contract is proposed. The new anonymous reverse auction（NARA） transaction model employs the anonymous participation mechanism to protect user privacy, and uses the reverse auction scheme to control translation costs reasonably, and further applies split data interaction（SDI） to improve the security during translation text interactions. At the same time, the model adopts an automated Ethereum currency payment algorithm to constrain participants to participate honestly and resolve translation disputes. Finally, the security analysis proves the reliability of the scheme, and the experimental results confirms the validity of the model.

Key words: translation transaction, blockchain, smart contract, translation security, anonymous auctio

摘要： 针对现有翻译交易方案在竞拍翻译高保密性文本时无法保障其安全性、翻译成本与进程不易控制及译后纠纷处理困难等问题，提出了一种基于区块链智能合约的新型匿名反向拍卖（new anonymous reverse auction，NARA）交易模型。该模型采用匿名参与机制保护用户隐私，利用反向竞拍机制合理控制翻译成本，并进一步使用拆分式数据交互（split data interaction，SDI）提升翻译文本交互时的安全性。同时该方案采用一种自动化货币支付算法，约束交易双方诚信参与，并解决翻译纠纷问题。通过安全分析证明该方案的安全性，实验结果证实了交易模型的有效性。

关键词: 翻译交易, 区块链, 智能合约, 翻译安全, 匿名拍卖