Research

2022

  1. R. Rana, S. Kannan, D. Tse and P. Viswanath
    Free2Shard: Adaptive-adversary-resistant sharding via Dynamic Self Allocation
    ACM Sigmetrics, 2022
  2. SVR.  Anand, S. Arslan, R. Chopra, S. Katti, M. Vaddiraju, R. Rana, P. Sheng, H. Tyagi and P. Viswanath
    Trust-free Service Measurement and Payments for Decentralized Cellular Networks
    ACM HotNets 2022
  3. R. Rana, D. Karakostas, S. Kannan, A. Kiayias and P. Viswanath
    Optimal Bootstrapping of PoW Blockchains
    ACM Mobihoc 2022
  4. M. Fitzi, X. Wang, S. Kannan, A. Kiayias, N. Leandros, P. Viswanath and G. Wang
    Minotaur: Multi-Resource Blockchain Consensus
    ACM CCS 2022

2021

  1. X. Wang, V. Muppirala, L. Yang, S. Kannan and P. Viswanath
    Securing Parallel Chain Protocols under Variable Mining Power
    CCS, 2021.
  2. P. Sheng, G. Wang, K. Nayak, S. Kannan and P. Viswanath
    BFT Protocol Forensics
    CCS, 2021.
  3. S. Sankagiri, X. Wang, S. Kannan and P. Viswanath
    The Checkpointed Longest Chain: User-dependent Adaptivity and Finality
    Financial Cryptography, 2021.
  4. P. Sheng, B. Xue, S. Kannan and P. Viswanath
    ACeD: Scalable Data Availability Oracle
    Financial Crytopgraphy, 2021.

2020

  1. A. Dembo, S. Kannan, E. Tas, D. Tse, P. Viswanath, X. Wang and O. Zeitouni
    Everything is a Race and Nakamoto Always Wins
    CCS, 2020.
  2. G. Wang, S. Wang, V. Bagaria, D. Tse and P. Viswanath
    Prism Removes Consensus Bottleneck for Smart Contracts
    Crypto Valley Conference, 2020.
  3. S. Li, M. Yu, C-S. Yang, S. Avestimehr, S. Kannan and P. Viswanath
    PolyShard: Coded Sharding Achieves Linearly Scaling Efficiency and Security Simultaneously,
    ISIT, 2020.
  4. M. Yu, S. Sahraei, S. Li, S. Avestimehr, S. Kannan and P. Viswanath
    Coded Merkle Tree: Solving Data Availability Attacks in Blockchains
    Financial Cryptography, 2020.

2019


  1. V. Bagaria, S. Kannan, D. Tse, G. Fanti and P. Viswanath
    Prism: Deconstructing the Blockchain to Approach Physical Limits
    ACM CCS 2019.
  2. S. Li, S. Sahraei, M. Yu, S. Avestimehr, S. Kannan, and P. Viswanath
    Coded State Machine – Scaling State Machine Execution under Byzantine Faults
    PODC, 2019.
  3. G. Fanti, J. Jiao, S. Oh, A. Makkuva, R. Rana and P. Viswanath
    Information Balancing in Proof-of-Stake Blockchains
    ACM Mobihoc, 2019. Best Paper Award.
  4. G. Fanti, L. Kogan and P. Viswanath
    Economics of Proof-of-stake payment systems
    NBER Workshop on Economics of Proof of Stake Payment Systems, Blockchain, Distributed Ledgers, and Financial Contracting, 2019.
  5. G. Fanti, L. Kogan, S. Oh, K. Ruan, P. Viswanath and G. Wang
    Compounding of Wealth in Proof-of-Stake Cryptocurrencies Financial Cryptography, 2019.

2018

  1. G. Fanti, S. Bakshi, S. Venkatakrishnan, B. Denby, S. Bhargava, A. Miller and P. Viswanath
    Dandelion++: Lightweight Cryptocurrency Networking with Formal Anonymity Guarantees
    ACM Sigmetrics, 2018.
  2. V. Sivaraman, S. Venkatakrishnan, M. Alizadeh, G. Fanti and P. Viswanath
    Routing Cryptocurrency with the Spider Network
    HotNets, 2018.

2017

  1. S. Venkatakrishnan, G. Fanti and P. Viswanath
    Dandelion: Redesigning the Bitcoin Network for Anonymity
    ACM Sigmetrics, 2017.
  2. G. Fanti and P. Viswanath
    Deanonymization in the Bitcoin P2P Network
    NIPS, 2017.