Tickets to event are always limited, people would try their best to acquire tickets. They would access the server right after the tickets are available. In this moment, the server might suffer from a DDoS-like attack. In addition, there are scalpers who intend to snap up the tickets to resell them with a mark-up. With the exist of scalpers, the ticket-buying environment becomes quite unfair since a scalper might have more resources to compete the limited tickets. We propose a Proof-of-Work mechanism adding to ticket-selling system to decrease the number of requests sent to the server and also disperse all these requests in the selling period. We further use the concept of game theory to analyze the best condition for event holder to control what they want the buyers behave under the Proof-of-Work mechanism.

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