Open Access

REVIEW

A Survey on Blockchain-Based Federated Learning: Categorization, Application and Analysis

Yuming Tang^1,#, Yitian Zhang^2,#, Tao Niu¹, Zhen Li^2,3,*, Zijian Zhang^1,3, Huaping Chen⁴, Long Zhang⁴

1 School of Cyberspace Science & Technology, Beijing Institute of Technology, Beijing, 100081, China
2 School of Computer Science & Technology, Beijing Institute of Technology, Beijing, 100081, China
3 Southeast Institute of Information Technology, Beijing Institute of Technology, Putian, 351100, China
4 Qianxin Technology Group Co., Ltd., Beijing, 100044, China

* Corresponding Author: Zhen Li. Email:
# These authors contributed equally to this work