公平理性委托计算协议

传统委托计算的验证过程计算和通信开销较高，且参与者要么诚实，要么邪恶；理性委托计算是引入理性参与者，通过效用函数来保障计算结果的可靠性.本文首先在委托计算中引入博弈论，给出了唯一稳定均衡解.其次，基于比特币和Micali-Rabin的随机向量表示技术，设计一种新的理性委托计算协议.针对协议的公平性问题，参与双方分别提交特殊构造的比特币押金，保障参与者双方的利益；针对验证复杂问题，运用Micali-Rabin的随机向量表示技术，验证过程简单高效，且不会泄漏关于计算结果的任何信息.最后，安全性和性能分析结果表明，该协议不但解决了传统委托计算的验证复杂问题，同时保证了诚实者的利益.

Fair and Rational Delegation Computation Protocol

The verification process of the traditional delegation computation whose computation and communication overhead are higher, and the participants are either honest or malicious. The rational delegation computation is the introduction of rational participants, and the utility function is used to guarantee the reliability of the computational results. This paper first introduces game theory into the delegation computation, and gives the only stable equilibrium solution. Second, based on the Bitcoin and Micali-Rabin''s random vector representation technique, a new rational delegation computation protocol is devised. The players involved, for the protocol''s fairness, commit a special structured bitcoin deposit respectively, which guarantees the interests of both parties. The Micali-Rabin''s technique is used for tackling the protocol''s complex verification, and the verification is simple and efficient and it will leak nothing about the results.Finally, the security and performance analysis results show that the proposed protocol not only solves the complex verification problem of traditional one, but also ensures the interests of the honest.