Game Theory and Bitcoin: the Miners’ Perspective

This article was first published on SALT Lending Official Blog - Medium
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Competition drives markets. In traditional financial markets, however, competition is limited to the production of goods and the buying and selling process. With Bitcoin, competition plays a far-deeper role. The minting of new bitcoin, as well as the processing and verification of transactions, are all made more efficient, accurate, and secure, thanks to competition. It’s no surprise, then, that game theory plays a pivotal role in the inner workings of the Bitcoin ecosystem.

A brief explanation of game theory

Game theory models the strategic interaction between players in a scenario with set rules and outcomes where the players are rational and looking to maximize their payoffs. In effect, it’s a more detailed, nuanced way of looking at how incentives affect how things get done.

For example, if your job is to shovel 100 pounds of stone into a hole and you’re all alone and have all the time you want, there’s no game theory involved. On the other hand, if someone else is given the same task and you’re each working with the same pile of stones, the dynamics of the situation change.

They change further if only the person who shovels the most gets paid. And, naturally, if you get paid according to how much you shovel, the outcome of your actions would change in yet another way. Each of these situations will be impacted by game theory and its many models.

Although Bitcoin seeks to espouse concepts like “fairness,” “transparency,” and others that are often incongruent with competition, game theory still plays a primary role in the Bitcoin universe.

How does game theory apply to Bitcoin mining?

Bitcoin mining involves solving math problems that are used to create new bitcoin and verify transactions. To continue with the stone shoveling example, if you have as long as you want to move the pile ...

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SALT Lending Official Blog - Medium

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