计算机科学 ›› 2022, Vol. 49 ›› Issue (9): 312-317.doi: 10.11896/jsjkx.210800102
王子凯, 朱健, 张伯钧, 胡凯
WANG Zi-kai, ZHU Jian, ZHANG Bo-jun, HU Kai
摘要： 随着区块链技术的不断成熟,能够提供安全、匿名、不可篡改的交易环境且面向企业的区块链应用越来越多。传统的区块链架构面临着性能低、拓展性不足等问题,无法满足面向企业级应用的高并发、大数据的应用场景需求。为了更好地适应愈加丰富的应用场景,发挥区块链技术的价值,文中研究并提出了一种简化拜占庭容错SBFT(Simple Byzantine Fault Tole-rance)共识算法,以提升共识阶段的效率;提出Task并行智能合约模型,充分利用多核系统的并行效率;改进传统区块链系统架构,体现了轻量、低耦合、智能合约可扩展的特点,方便企业应用的二次开发;在此基础上,研发了ParaChain区块链与智能合约系统。实验验证表明,基于并行化技术ParaChain区块链在TPS性能和可拓展性方面的表现相较于基于传统PBFT共识协议的区块链系统有较大提升。
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