A two-level protocol to answer private location-based queries. - Roopa Vishwanathan; Yan Huang 002 (ISI, 2009)

Improving Cut-and-Choose in Verifiable Encryption and Fair Exchange Protocols using Trusted Computing Technology. - Stephen R. Tate; Roopa Vishwanathan (IACR Cryptol. ePrint Arch., 2009)

Privacy Preserving Group Nearest Neighbour Queries in Location-Based Services Using Cryptographic Techniques. - Yan Huang 002; Roopa Vishwanathan (GLOBECOM, 2010)

General Secure Function Evaluation using standard trusted computing hardware. - Steve R. Tate; Roopa Vishwanathan (PST, 2011)

Multi-user dynamic proofs of data possession using trusted hardware. - Stephen R. Tate; Roopa Vishwanathan; Lance Everhart (CODASPY, 2013)

Encrypted Secret Sharing and Analysis by Plaintext Randomization. - Stephen R. Tate; Roopa Vishwanathan; Scott Weeks (IACR Cryptol. ePrint Arch., 2013)

Expiration and Revocation of Keys for Attribute-based Signatures. - Stephen R. Tate; Roopa Vishwanathan (IACR Cryptol. ePrint Arch., 2015)

Attribute Based Signatures: The Case for Automation. - Lalitha Muthu Subramanian; Roopa Vishwanathan (ICETE (2), 2018)

Automated Proofs of Signatures using Bilinear Pairings. - Guruprasad Eswaraiah; Roopa Vishwanathan; Douglas Nedza (PST, 2018)

New Techniques for Public Key Encryption with Sender Recovery. - Murali Godi; Roopa Vishwanathan (IACR Cryptol. ePrint Arch., 2018)

SAMPL: Scalable Auditability of Monitoring Processes using Public Ledgers. - Gaurav Panwar; Roopa Vishwanathan; Satyajayant Misra; Austin Bos (CCS, 2019)

Private and Secure Mixing in Credit Networks. - Lalitha Muthu Subramanian; Guruprasad Eswaraiah; Roopa Vishwanathan (IECC, 2019)

Exploring Automation in Proofs of Attribute-based Encryption in the Standard Model. - Guruprasad Eswaraiah; Lalitha Muthu Subramanian; Roopa Vishwanathan (PST, 2019)

Rebalancing in Acyclic Payment Networks. - Lalitha Muthu Subramanian; Guruprasad Eswaraiah; Roopa Vishwanathan (PST, 2019)

BlAnC: Blockchain-based Anonymous and Decentralized Credit Networks. - Gaurav Panwar; Satyajayant Misra; Roopa Vishwanathan (IACR Cryptol. ePrint Arch., 2019)

Balance Transfers and Bailouts in Credit Networks using Blockchains*. - Lalitha Muthu Subramanian; Roopa Vishwanathan; Kartick Kolachala (IEEE ICBC, 2020)

Balance Transfers and Bailouts in Credit Networks using Blockchains. - Lalitha Muthu Subramanian; Roopa Vishwanathan; Kartick Kolachala (CoRR, 2020)

SoK: Money Laundering in Cryptocurrencies. - Kartick Kolachala; Ecem Simsek; Mohammed Ababneh; Roopa Vishwanathan (ARES, 2021)

APECS: A Distributed Access Control Framework for Pervasive Edge Computing Services. - Sean Dougherty; Reza Tourani; Gaurav Panwar; Roopa Vishwanathan; Satyajayant Misra; Srikathyayani Srikanteswara (CCS, 2021)

Off-chain Execution and Verification of Computationally Intensive Smart Contracts. - Emrah Sariboz; Kartick Kolachala; Gaurav Panwar; Roopa Vishwanathan; Satyajayant Misra (IEEE ICBC, 2021)

ReTRACe: Revocable and Traceable Blockchain Rewrites using Attribute-based Cryptosystems. - Gaurav Panwar; Roopa Vishwanathan; Satyajayant Misra (IACR Cryptol. ePrint Arch., 2021)

Private and Secure Smart Meter Billing. - Mohammed Ababneh; Kartick Kolachala; Roopa Vishwanathan (CPSS@AsiaCCS, 2022)

FIRST: FrontrunnIng Resilient Smart ConTracts. - Emrah Sariboz; Gaurav Panwar; Roopa Vishwanathan; Satyajayant Misra (CoRR, 2022)

Auroch: Auction-Based Multipath Routing for Payment Channel Networks. - Mohammed Ababneh; Kartick Kolachala; Roopa Vishwanathan (AsiaCCS, 2024)

RACED: Routing in Payment Channel Networks Using Distributed Hash Tables. - Kartick Kolachala; Mohammed Ababneh; Roopa Vishwanathan (AsiaCCS, 2024)

PEPPER: Privacy-prEserving, auditable, and fair Payment based resource discovery at the PERvasive edge. - Emrah Sariboz; Reza Tourani; Roopa Vishwanathan; Satyajayant Misra (AsiaCCS, 2024)

SoK: Payment Channel Networks. - Kartick Kolachala; Mohammed Ababneh; Roopa Vishwanathan (CoRR, 2024)

SPRITE: Secure and Private Routing in Payment Channel Networks. - Gaurav Panwar; Roopa Vishwanathan; George Torres; Satyajayant Misra (IACR Cryptol. ePrint Arch., 2024)

Verifiable Computation in Smart Grids Using Dynamic Slicing. - Matheen Basha Shaik; Roopa Vishwanathan (PerCom Workshops, 2025)

SCOOP: CoSt-effective COngestiOn Attacks in Payment Channel Networks. - Mohammed Ababneh; Kartick Kolachala; Roopa Vishwanathan (CoRR, 2025)

A Comprehensive Survey of Unmanned Aerial Systems' Risks and Mitigation Strategies. - Sharad Shrestha; Mohammed Ababneh; Satyajayant Misra; Henry M. Cathey Jr.; Roopa Vishwanathan; Matt Jansen; Jinhong Choi; Rakesh Bobba; Yeongjin Jang (CoRR, 2025)