Ticket Market Design Based on Permissionless Blockchain

Nana Hao
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Abstract

Proof-of-work, as the core technology of public blockchain, requires users to pay a certain amount of work in order to create new blocks by competition. This article innovatively applies it to the train ticket market, and introduces such a mechanism at the interface of the ticketing system to prevent the system from being attacked. Based on the background of China's internet train ticketing system, this paper analyzes the internal and external attacks on the system, designs an algorithm based on proof-of-work, and expands according to the geographical location, credit rating, and system load based on different problems. However, there is a big difference in CPU performance between different computer devices, leading to the difficulty for some users with insufficient computing power to buy tickets. The time difference in accessing the memory has the same algorithm complexity. Therefore, the algorithm that was previously limited to the CPU needs to be adjusted to Memory-bound algorithms. The results show that the application of memory-bound proof-of-work algorithm in the ticket purchasing market can better balance the difficulty of buying tickets and resist external attacks, so as to satisfy most people's ticket requirements and ease the pressure of Spring Festival travel.
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基于无权限区块链的票务市场设计
工作量证明作为公链的核心技术,需要用户付出一定的工作量,通过竞争创造新的区块。本文创新性地将其应用于火车票市场,并在票务系统的接口引入这样的机制,防止系统被攻击。本文以中国互联网火车票售票系统为背景,分析了系统受到的内部攻击和外部攻击,设计了基于工作量证明的算法,并根据不同的问题根据地理位置、信用等级和系统负载进行扩展。然而,不同计算机设备之间的CPU性能差异较大,导致一些计算能力不足的用户难以购买门票。访问内存的时间差具有相同的算法复杂度。因此,以前仅限于CPU的算法需要调整为内存绑定算法。结果表明,在购票市场中应用内存绑定工作量证明算法,可以更好地平衡购票难度和抵御外部攻击,从而满足大多数人的购票需求,缓解春运压力。
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