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Block Interval Adjustment Toward Fair Proof-of-Work Blockchains

机译：向公平的工作量证明区块链进行区块间隔调整

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We propose a finer measure of fairness than that found in the literature. We then propose a method of adjusting the block interval that maintains fairness and high transaction throughput. The existing fairness measure is so rough that its judgement is considered fair as long as a node can start mining by the time another node mines a block. However, the time left for mining differs between nodes; this can result in unfairness. Therefore, we define the proposed fairness as the mining success rate of miners depends only on computational power. This is a finer measure of fairness than existing one. We propose a method for adjusting the block interval to maintain a certain level of fairness. Most Proof of Work (PoW) blockchains fix the block intervals and do not consider fairness. In contrast, our proposed technique adjusts the block interval based on the fork incidence rate. Our method maintains fairness even if the network conditions change. Simulations confirm that our technique maintains fairness even when the Internet performance varies.
机译：我们提出了比文献中更好的公平性衡量标准。然后，我们提出了一种调整块间隔的方法，该方法可以保持公平性和高事务吞吐量。现有的公平性度量标准如此粗糙，以至于只要一个节点可以在另一个节点挖掘一个块之前开始挖掘，它的判断就被认为是公平的。但是，节点之间剩余的挖掘时间有所不同。这可能会导致不公平。因此，我们将提议的公平性定义为矿工的采矿成功率仅取决于计算能力。这是比现有方法更好的公平性衡量标准。我们提出了一种调整块间隔以保持一定水平的公平性的方法。大多数工作量证明（PoW）区块链都固定区块间隔，并且不考虑公平性。相反，我们提出的技术根据分叉发生率来调整块间隔。即使网络条件发生变化，我们的方法仍可保持公平。仿真证实，即使Internet性能发生变化，我们的技术也能保持公平。

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