leo201313 / blockchain_with_go Goto Github PK
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License: GNU General Public License v3.0
Use golang to reproduce the basic blockchain
License: GNU General Public License v3.0
Hello!在您关于FL&BC的博客(https://www.krad.top/fl_plus_bc_summary/)中,感受到了独到的学术品位与见地,部分观点于我而言有很大的启发。对于“我认为不管是从数据安全,激励机制,共识算法还是其它角度引入BC,都应该注重实际部署,最后落到系统效率或安全性与资源消耗的tradeoff上进行讨论分析” 的权衡观念,更是尤为赞同。
然而,关于您提出的 “然而我认为现今FL的实际应用需求还没有发展到太关心本地模型透露隐私的阶段,而且本地模型透露的所谓隐私很多时候只是用户的偏好信息,往往不能透露具体的私人信息” 的讨论中,却有相左的观点。例如,在医疗敏感信息的应用场景中,医学图像作为可学习的隐私数据,在无差分隐私、同态加密的联邦学习过程中存在一定安全隐患 ;明文式模型参数的暴露增大了原始数据被反演的可能;此外,投毒攻击更是阻碍工业化场景中FL落地的巨石。相关观点是我从《Analyzing User-Level Privacy Attack Against Federated Learning》doi:https://doi.org/10.1109/JSAC.2020.3000372 得知的。恕我无法列举出有关FL中图像反演与其他攻击实例的最新论文.
故我认为学术界在FL方向上一开始就关注联邦过程中的安全隐私问题是相对正确的方向,在大模型大行其道的今天,利用分布式算力或许不是FL最大的卖点,但隐私保护却足够吸引眼球。分布式的学习范式加上不断垒高的攻击门槛,将是联邦-学习从被提出到被认可的关键。
此外,根据您的博客,我使用go语言复现了一个基础的区块链;这对我学习与了解它有着十足的帮助。
期待您更多更为精彩的博客内容!
a undergraduate student from southern China
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