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Publications & Patents

  1. 1.

    Paras: Actively Secure Two-Server Private Histograms

    Dimitris Mouris, Lucas Piske, Pratik Sarkar, Ni Trieu, Mehmet Ugurbil

    CiC, volume 3 Issue 2

  2. 2.

    Practical Post-Quantum Secure Publicly Verifiable Secret Sharing and Applications

    Aniket Kate, Pratyay Mukherjee, Hamza Saleem, Pratik Sarkar, Rohit Sinha

    Full Version

  3. 3.

    ANARKey: A New Approach to (Socially) Recover Keys

    Aniket Kate, Pratyay Mukherjee, Hamza Saleem, Pratik Sarkar, Bhaskar Roberts

    IEEE EuroS&P 2026 · Full Version

  1. 4.

    VRaaS: Verifiable Randomness as a Service on Blockchains

    Jacob Gorman, Lucjan Hanzlik, Aniket Kate, Easwar Vivek Mangipudi, Pratyay Mukherjee, Pratik Sarkar, Sri AravindaKrishnan Thyagarajan

    CSF 2025 · Full Version

  2. 5.

    Dyna-hinTS: Silent Threshold Signatures for Dynamic Committees

    Aniket Kate, Pratyay Mukherjee, Samipa Samanta, Pratik Sarkar

    CVC 2025 · Full Version

  3. 6.

    Mastic: Private Weighted Heavy-Hitters and Attribute-Based Metrics

    Dimitris Mouris, Christopher Patton, Hannah Davis, Pratik Sarkar, Nektarios Georgios Tsoutsos

    PETS 2025 · Full Version

  4. 7.

    Universally Composable Non-Interactive Zero-Knowledge from Sigma Protocols via a New Straight-line Compiler

    Megan Chen, Pousali Dey, Chaya Ganesh, Pratyay Mukherjee, Pratik Sarkar, Swagata Sasmal

    PKC 2025 · Full Version

  5. 8.

    InstaRand: Instantly Available and Instantly Verifiable On-chain Randomness

    Jacob Gorman, Lucjan Hanzlik, Aniket Kate, Pratyay Mukherjee, Pratik Sarkar, Sri AravindaKrishnan Thyagarajan

    Full Version

  1. 9.

    PLASMA: Private, Lightweight Aggregated Statistics against Malicious Adversaries

    Dimitris Mouris, Pratik Sarkar, Nektarios Georgios Tsoutsos

    PETS 2024 · Full Version

  2. 10.

    CompactTag: Minimizing Computation Overheads in Actively-Secure MPC for Deep Neural Networks

    Yongqin Wang, Pratik Sarkar, Nishat Koti, Arpita Patra, Murali Annavaram

    PETS 2024 (Poster) · Full Version

  1. 11.

    Reverse Firewalls for Oblivious Transfer Extension and Applications to Zero-Knowledge

    Suvradip Chakraborty, Chaya Ganesh, Pratik Sarkar

    Eurocrypt 2023 · Full Version

  2. 12.

    Round-Optimal Oblivious Transfer and MPC from Computational CSIDH

    Saikrishna Badrinarayanan, Daniel Masny, Pratyay Mukherjee, Sikhar Patranabis, Srinivasan Raghuraman, Pratik Sarkar

    PKC 2023 · Full Version

  1. 13.

    Triply Adaptive UC NIZK

    Ran Canetti, Pratik Sarkar, Xiao Wang

    Asiacrypt 2022 · Full Version

  2. 14.

    Statistical Security in Two-Party Computation Revisited

    Saikrishna Badrinarayanan, Sikhar Patranabis, Pratik Sarkar

    TCC 2022 · Full Version

  1. 15.

    Reverse Firewalls for Adaptively Secure MPC without Setup

    Suvradip Chakraborty, Chaya Ganesh, Mahak Pancholi, Pratik Sarkar

    Asiacrypt 2021 · Full Version

  2. 16.

    Two-Round Adaptively Secure MPC from Isogenies, LPN, or CDH

    Navid Alamati, Hart Montgomery, Sikhar Patranabis, Pratik Sarkar

    Asiacrypt 2021 · Full Version

  3. 17.

    Quicksilver: Efficient and Affordable Zero-Knowledge Proofs for Circuits and Polynomials over Any Field

    Kang Yang, Pratik Sarkar, Chenkai Weng, Xiao Wang

    CCS 2021 · Full Version

    ACM CCS 2021 Best Paper Runner-Up · Used in production by Primus Labs, Human ID, and TLSNotary

  1. 18.

    Efficient and Round-Optimal Oblivious Transfer and Commitment with Adaptive Security

    Ran Canetti, Pratik Sarkar, Xiao Wang

    Asiacrypt 2020 · Full Version

  2. 19.

    Blazing Fast OT for Three-Round UC OT Extension

    Ran Canetti, Pratik Sarkar, Xiao Wang

    PKC 2020 · Full Version

  1. 20.

    Efficient Adaptively Secure Zero-knowledge from Garbled Circuits

    Chaya Ganesh, Yashvanth Kondi, Arpita Patra, Pratik Sarkar

    PKC 2018 · Full Version

  2. 21.

    Crash-Tolerant Consensus in Directed Graph Revisited (Extended Abstract)

    Ashish Choudhury, Gayathri Garimella, Arpita Patra, Divya Ravi, Pratik Sarkar

    SIROCCO 2018 · Full Version

  1. 22.

    Fast Actively Secure OT Extension for Short Secrets

    Arpita Patra, Pratik Sarkar, Ajith Suresh

    NDSS 2017 · Full Version

  2. 23.

    Crash-Tolerant Consensus in Directed Graph Revisited

    Ashish Choudhury, Gayathri Garimella, Arpita Patra, Divya Ravi, Pratik Sarkar

    DISC 2017 (Brief Announcement) · Full Version

  3. 24.

    Fast and Universally-Composable Oblivious Transfer and Commitment Scheme with Adaptive Security

    Megha Byali, Arpita Patra, Divya Ravi, Pratik Sarkar

    Full Version

  1. 25.

    Towards a More Democratic Mining in Bitcoins

    Goutam Paul, Pratik Sarkar, Sarbajit Mukherjee

    ICISS 2014 · Full Version

  1. 1.

    Statistically Receiver Private Oblivious Transfer from CDH

    US20250068746A1 · Feb. 27, 2025 · VISA Research Project

  2. 2.

    Round Optimal Oblivious Transfers from Isogenies

    US20240396735A1 · Nov. 28, 2024 · VISA Research Project

  3. 3.

    Statistically Private Oblivious Transfer from CDH

    US20240333492A1 · Oct. 3, 2024 · VISA Research Project

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