Publications
2021
 Reducing the Communication Cost of Federated Learning through Multistage Optimization
C. Hou, K. K. Thekumparampil, G. Fanti, S. Oh
(Presented at the FLICML 2021 Workshop, Oral)
[arxiv]  Efficient Algorithms for Federated Saddle Point Optimization
C. Hou, K. K. Thekumparampil, G. Fanti, S. Oh
[arxiv]  Why Spectral Normalization Stabilizes GANs: Analysis and Improvements
Z. Lin, V. Sekar, G. Fanti
[NeurIPS 2021] [code]  The Effect of Network Topology on Credit Network Throughput
V. Sivaraman, W. Tang, S. B. Venkatakrishnan, G. Fanti, M. Alizadeh
[IFIP Performance 2021]  On the Privacy Properties of GANgenerated samples
Z. Lin, V. Sekar, G. Fanti
[AISTATS 2021]  Selfsupervised euphemism detection and identification for content moderation
W. Zhu, H. Gong, R.Bansal, Z. Weinberg, N. Christin, G. Fanti, S. Bhat
[IEEE S&P 2021] [code]  SquirRL: Automating Attack Discovery on Blockchain Incentive Mechanisms with Deep Reinforcement Learning
C. Hou*, M.Zhou*, Y. Ji, P. Daian, F. Tramer, G. Fanti, A. Juels
[NDSS 2021] [code] *Equal contribution  Abusive Language Detection in Heterogeneous Contexts: Dataset Collection and
the Role of Supervised Attention
H. Gong, A. Valido, K. Ingraham, G. Fanti, D. Espelage, S. Bhat
[AAAI 2021] [code] [dataset]
2020
 Communication cost of consensus for nodes with limited memory
G. Fanti, N. Holden, Y. Peres, G. Ranade
[PNAS] [arXiv] [code]  Generating Highfidelity, Synthetic Time Series Datasets with DoppelGANger
Z. Lin, A. Jain, C. Wang, G. Fanti, V. Sekar
(Best Paper Award Finalist, ACM IMC)
[IMC 2020] [code]  Routing cryptocurrency with the spider network
V. Sivaraman, S. Bojja Venkatakrishnan, K. Ruan, P. Negi, L. Yang, R. Mittal, G. Fanti, M. Alizadeh
[NSDI 2020] [code]  PrivacyUtility Tradeoffs in Routing Cryptocurrency over Payment Channel Networks
W. Tang, W. Wang, G. Fanti, S. Oh
[Sigmetrics 2020]  InfoGANCR: Disentangling Generative Adversarial Networks with Contrastive Regularizers
Z. Lin, K. Thekumparampil, G. Fanti, S. Oh
[ICML 2020] [code]  Design choices for central bank digital currency: Policy and technical considerations
S. Allen, S. Capkun, I. Eyal, G. Fanti, B. Ford, J. Grimmelmann, A. Juels, K. Kostiainen, S. Meiklejohn, A. Miller, E. Prasad, K. Wüst, and F. Zhang
[Brookings Report]
2019
 Scaling Bitcoin by 10,000 x
L. Yang, V. Bagaria, G. Wang, M. Alizadeh, D. Tse, G. Fanti, P. Viswanath
[arXiv] [code]  Prism: Deconstructing the Blockchain to Approach Physical Limits
V. Bagaria, S. Kannan, D. Tse, G. Fanti, P. Viswanath
[ACM CCS 2019]  Barracuda: The Power of lPolling in ProofofStake Blockchains
(Best Paper Award, ACM MobiHoc)
G. Fanti, J. Jiao, A. Makkuva, S. Oh, R. Rana, P. Viswanath
[ACM MobiHoc 2019]  Compounding of Wealth in ProofofStake Cryptocurrencies
G. Fanti, L. Kogan, S. Oh, K. Ruan, P. Viswanath, G. Wang
[Financial Crypto 2019]  Towards Oblivious Network Analysis using Generative Adversarial Networks
Z. Lin, S. Moon, C. Zarate, R. Mulagalapalli, S. Kulandaivel, G. Fanti, V. Sekar
[HotNets 2019]
2018
 Routing Cryptocurrency in the Spider Network
V. Sivaraman, S. B. Venkatakrishnan, M. Alizadeh G. Fanti, P. Viswanath
[HotNets 2018]  PacGAN: The Power of Two Samples in Generative Adversarial Networks
Z. Lin, A. Khetan, G. Fanti, S. Oh
[NeurIPS 2018] [Code]  Dandelion++: Lightweight Cryptocurrency Networking with Formal Anonymity Guarantees
G. Fanti, S. B. Venkatakrishnan, S. Bakshi, B. Denby, S. Bhargava, A. Miller, P. Viswanath
[Sigmetrics 2018] [Simulation code] [Bitcoin Core reference implementation] [Bitcoin Magazine]
2017
 Dandelion: Redesigning the Bitcoin Network for Anonymity
S. B. Venkatakrishnan, G. Fanti, P. Viswanath
[Sigmetrics 2017] [Code] [BTC Manager] [CyberScoop]  Anonymity Properties of the Bitcoin P2P Network
G. Fanti, P. Viswanath
[NeurIPS 2017] [Code]  Hiding the Rumor Source
G. Fanti, P. Kairouz, S. Oh, K. Ramchandran, P. Viswanath
[IEEE Transactions on Information Theory] [arXiv] [code]
2016
 Rumor Source Obfuscation on Irregular Trees
G. Fanti, P. Kairouz, S. Oh, K. Ramchandran, P. Viswanath
[Sigmetrics 2016] [code] [slides]  Building a RAPPOR with the Unknown: PrivacyPreserving Learning of Associations and Data Dictionaries
G. Fanti, V. Pihur, U. Erlingsson
[PETS 2016] [code]  Metadataconscious anonymous messaging
G. Fanti, P. Kairouz, S. Oh, K. Ramchandran, P. Viswanath
[ICML 2016] [IEEE TSIPN 2016] [code]  Algorithmic Advances in Anonymous Communication over Networks
G. Fanti, P. Viswanath
[CISS 2016]
2015
 Spy vs. Spy: Rumor Source Obfuscation
(Best Paper Award, ACM Sigmetrics).
G. Fanti, P. Kairouz, S. Oh, P. Viswanath
[Sigmetrics 2015] [arXiv] [code]  Efficient, MultiServer Private Information Retrieval over Unsynchronized Databases
G. Fanti, K. Ramchandran
[IEEE JSTSP 2015] [Allerton 2014] [code]  SplineLike Wavelet Filterbanks for Multiresolution Analysis of GraphStructured Data
V. Ekambaram, G. Fanti, B. Ayazifar, and K. Ramchandran
[IEEE TSIPN 2015]
2014

Toward efficient, privacyaware media classification on public databases
G. Fanti, M. Finiasz, G. Friedland, and K. Ramchandran
[ICMR 2014] [thesis] 
Rangzen: Circumventing GovernmentImposed Communication Blackouts
A. Lerner, G. Fanti, J. Garcia, Y. BenDavid, B. Raghavan
[Tech Report, 2014] [Berkeley Engineer] [SF Chronicle]
2013
 Multiresolution graph signal processing via circulant structures
V. Ekambaram, G. Fanti, B. Ayazifar, and K. Ramchandran
[DSP/SPE 2013]  Criticallysampled perfectreconstruction splinewavelet filter banks for graph signals
V. Ekambaram, G. Fanti, B. Ayazifar, and K. Ramchandran
[GLOBESIP 2013]  Circulant structures and graph signal processing
V. Ekambaram, G. Fanti, B. Ayazifar, and K. Ramchandran
[ICIP 2013]
2010
 Wireless power transfer using weakly coupled magnetostatic resonators
J.O. MurMiranda, G. Fanti, Y. Feng, K. Omanakuttan, R. Ongie, A. Setjoadi, and N. Sharpe
[ECCE 2010]  Peak wireless power transfer using magnetically coupled series resonators
J.O. MurMiranda and G. Fanti
[EnergyCon 2010]