区块链大型巡回播放第171期“博弈产生考量”

在博弈论中，有个囚徒困境的模型，人类在某些合作情况下，个人理性会和集体理性产生背离，这些被认为是人类发展的不科学的地方，个人理性的天性出发点优先选择的是不合作，那大家还是寻求着合作。因为他们之间的合作，可以为全体带来最佳的利益，但是在没有相互沟通下，他们愿意出卖自己的同伙。用此来换取自身的利益，这样最大利益点在出卖方，虽然这样做会违反全体的利益，但是人性是自私的。我们同时无法让所有的参与者透露出自己真实的想法，所以必须设置考量。

考量方案制定有强力的合同或者契约，然后在重复进行博弈，于是智能合约出现了，看起来美轮美奂，其实强制力的合同目前社会上已经存在，脱离了正规的机器监控，智能合约真的能运作起来吗？区块链机器具有不可更改和不可逆的特征，比如算力决定了它的逻辑合法性，依靠智能合约和数字货币可以实现自动化执行，这里的数字货币，可以理解为高度的共识形成的货币，相对比正规机器很复杂，强制执行成本很高，智能合约可以节约成本问题，通过区块链进行条件的迁址，触发后自动执行，违反成本会制约不守信者，这样智能合约就理所应当的站了出来。

In Game Theory, there is a prisoner's dilemma model, where individual rationality deviates from collective rationality in certain cooperative situations, which is considered unscientific in human development, the rational nature of the individual chooses not to cooperate in the first place, and we still seek to cooperate. Because their cooperation is in the best interest of all, but they're willing to sell out their partners without talking to each other. In exchange for their own interests, so that the best interests of the seller, while doing so would violate the interests of all, but human nature is selfish. We also can't get all the participants to reveal their true feelings, so we have to set the bar. Consider making a strong contract or contract, and then playing the game over and over again, so the smart contract appears, and it looks fantastic, but the strong contract already exists in the society, and it's out of the normal machine monitoring, can smart contracts really work?

Blockchain machines have immutable and irreversible features, such as computational power that determines their logical legitimacy, and automated execution by relying on intelligent contracts and digital currencies, where digital currencies, can Be understood as a high degree of consensus to form a currency, compared to the regular machine is very complex, the cost of enforcement is very high, intelligent contract can save costs, through the blockchain relocation of conditions, triggered automatically, a cost violation constrains the defaulter, and the smart contract stands out as it should.

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编译者/作者：醉玲珑

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