通过结构来处理比特币冲突

Thibaut Lajoie-Mazenc, R. Ludinard, E. Anceaume
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引用次数: 4

摘要

双重支出和区块链分叉是比特币加密系统面临的两个主要问题。前者指的是对手多次使用同一枚硬币的能力,而后者反映了区块链分布式数据结构历史中短暂不一致的发生。我们提出了一种解决这些问题的新方法:它包括在比特币的验证操作中添加一些本地同步约束,并使这些约束独立于本地区块链协议。同步约束由比特币系统中随机动态选择的节点处理。我们证明,通过这种方法,区块链的内容与所有经过验证的交易和区块一致,从而保证不存在双重支出攻击和区块链分叉。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Handling bitcoin conflicts through a glimpse of structure
Double spending and blockchain forks are two main issues that the Bitcoin crypto-system is confronted with. The former refers to an adversary's ability to use the very same coin more than once while the latter reflects the occurrence of transient inconsistencies in the history of the blockchain distributed data structure. We present a new approach to tackle these issues: it consists in adding some local synchronization constraints on Bitcoin's validation operations, and in making these constraints independent from the native blockchain protocol. Synchronization constraints are handled by nodes which are randomly and dynamically chosen in the Bitcoin system. We show that with such an approach, content of the blockchain is consistent with all validated transactions and blocks which guarantees the absence of both double-spending attacks and blockchain forks.
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