DAG of DAGs: Order-Fairness Made Practical
Summary: DoD: an order-fairness protocol layered on DAG-based BFT that uses a “DAG of DAGs” architecture and concurrent block proposals to prevent adversarial ordering (frontrunning/sandwiching) while retaining high throughput. Wave-based leader election integrates fairness with BFT with minimal performance overhead in prototype evaluation. (summarized by gpt-5-mini on Feb 11 2026)
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Authors
- 1. Heena Nagda (University of Pennsylvania)
- 2. Sidharth Sankhe (University of Pennsylvania)
- 3. Sakshi Sinha (State University of New York at Stony Brook)
- 4. Keon Attarha (Plano West Senior High School)
- 5. Mohammad Javad Amiri (State University of New York at Stony Brook)
- 6. Boon Thau Loo (University of Pennsylvania)
BibTeX Citation
@inproceedings{nagda_sigmod26,
title = {{DAG of DAGs: Order-Fairness Made Practical}},
author = {Nagda, Heena and Sankhe, Sidharth and Sinha, Sakshi and Attarha, Keon and Amiri, Mohammad Javad and Loo, Boon Thau},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3769777},
url = {https://dl.acm.org/doi/10.1145/3769777},
year = {2026}
}
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