@article{hbflahierarchicalblockchainbased,
  title = {HBFL: A Hierarchical Blockchain-based Federated Learning Framework for a Collaborative IoT Intrusion Detection},
  author = {Mohanad Sarhan and Wai Weng Lo and Siamak Layeghy and Marius Portmann},
  year = {2022},
  eprint = {2204.04254},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2204.04254v1},
}