【Source】IEICE TRANSACTIONS ON COMMUNICATIONS
【Abstract】Bitcoin is one of popular cryptocurrencies widely used over the world, and its blockchain technology has attracted considerable attention. In Bitcoin system, it has been reported that transactions are prioritized according to transaction fees, and that transactions with high priorities are likely to be confirmed faster than those with low priorities. In this paper, we consider performance modeling of Bitcoin-blockchain system in order to characterize the transaction-confirmation time. We first introduce the Bitcoin system, focusing on proof-of-work, the consensus mechanism of Bitcoin blockchain. Then, we show some queueing models and its analytical results, discussing the implications and insights obtained from the queueing models.
【Keywords】Bitcoin; blockchain; performance modeling; queueing theory; extreme value theory; transaction-confirmation time
【标题】比特币区块链性能建模：挖掘机制和交易确认过程
【摘要】比特币是全球广泛使用的流行加密货币之一，其区块链技术备受关注。据报道，在比特币系统中，交易是根据交易费用进行优先级排序的，优先级高的交易可能比优先级低的交易得到更快的确认。在本文中，我们考虑了比特币区块链系统的性能建模，以表征交易确认时间。我们首先介绍比特币系统，重点介绍工作量证明，比特币区块链的共识机制。然后，我们展示了一些排队模型及其分析结果，讨论了从排队模型中获得的含义和见解。
【关键词】比特币；区块链；性能建模；排队论；极值理论；交易确认时间
【文献类型】Article; Proceedings Paper
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