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GeoCross:一个保护隐私和精细的授权方案,用于跨链地质数据共享
Licheng Lin1, Bin Feng1,2, Pujie Jing3
1Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Tianjin 300300, China.
Sensors (Basel, Switzerland)
|December 31, 2025
概括
GeoCross提供了一个安全的框架,用于跨区块链共享地质数据. 它使用先进的加密和零知识证明来确保隐私和精细的访问控制,增强数据完整性和对跨链系统的信任.
科学领域:
- 地质科学和计算机科学
- 分布式账本技术 分布式账本技术
- 数据安全与隐私数据安全与隐私
背景情况:
- 从地质区块链和物联网中出现大量异质数据.
- 多区块链数据共享的挑战:敏感数据暴露和不充分的授权.
- 在跨区块链的地质数据共享中,需要精细的访问控制和隐私.
研究的目的:
- 提出GeoCross,一个跨链的地质数据共享框架.
- 为了实现精细的授权管理和强大的隐私保护.
- 解决当前多区块链数据共享解决方案的局限性.
主要方法:
- 层级混合加密:对数据的对称加密和访问政策的基于属性的加密.
- 基于Groth16的零知识证明,用于验证链外数据的完整性和可访问性,而不会泄露内容.
- 基于声誉的非交互式中继节点选择 (RNRS) 协议,用于可靠的跨链路由.
主要成果:
- Groth16验证实现了三种亿线性配对.
- 高吞吐量:在单一链上每秒最多可执行390个交易 (tps),在多个链上同时执行1550个交易 (tps).
- 即使有50%的恶意节点,RNRS协议也保持了超过91%的成功率.
结论:
- GeoCross提供了一种高效实用的解决方案,用于安全的跨链地质数据共享.
- 该框架有效平衡了访问控制,隐私保护和数据完整性.
- 在多链Hyperledger Fabric环境中证明了可行性和性能.
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