Improvement for distinguisher efficiency of the 3-round Feistel network and a random permutation. - Roman Oliynykov; Ivan Gorbenko; Victor Dolgov; Dmytro Kaidalov (IDAACS (2), 2011)

Cryptanalysis of Symmetric Block Ciphers Based on the Feistel Network with Non-bijective S-boxes in the Round Function. - Roman Oliynykov (IACR Cryptol. ePrint Arch., 2011)

A Method For Generation Of High-Nonlinear S-Boxes Based On Gradient Descent. - Oleksandr Kazymyrov; Valentyna Kazymyrova; Roman Oliynykov (IACR Cryptol. ePrint Arch., 2013)

A New Standard of Ukraine: The Kupyna Hash Function. - Roman Oliynykov; Ivan Gorbenko; Oleksandr Kazymyrov; Victor Ruzhentsev; Oleksandr Kuznetsov; Yurii Gorbenko; Artem Boiko; Oleksandr Dyrda; Viktor Dolgov; Andrii Pushkaryov (IACR Cryptol. ePrint Arch., 2015)

A New Encryption Standard of Ukraine: The Kalyna Block Cipher. - Roman Oliynykov; Ivan Gorbenko; Oleksandr Kazymyrov; Victor Ruzhentsev; Oleksandr Kuznetsov; Yurii Gorbenko; Oleksandr Dyrda; Viktor Dolgov; Andrii Pushkaryov; Ruslan Mordvinov; Dmytro Kaidalov (IACR Cryptol. ePrint Arch., 2015)

Influence of addition modulo 2 n on algebraic attacks. - Oleksandr Kazymyrov; Roman Oliynykov; Håvard Raddum (Cryptogr. Commun., 2016)

A Provably Secure Proof-of-Stake Blockchain Protocol. - Aggelos Kiayias; Ioannis Konstantinou; Alexander Russell; Bernardo David; Roman Oliynykov (IACR Cryptol. ePrint Arch., 2016)

Ouroboros: A Provably Secure Proof-of-Stake Blockchain Protocol. - Aggelos Kiayias; Alexander Russell; Bernardo David; Roman Oliynykov (CRYPTO (1), 2017)

Analysis of splitting attacks on Bitcoin and GHOST consensus protocols. - Lyudmila Kovalchuk; Dmytro Kaidalov; Oleksiy Shevtsov; Andrii Nastenko; Mariia Rodinko; Roman Oliynykov (IDAACS, 2017)

Number of confirmation blocks for Bitcoin and GHOST consensus protocols on networks with delayed message delivery: Extended abstract. - Lyudmila Kovalchuk; Dmytro Kaidalov; Andrii Nastenko; Oleksiy Shevtsov; Mariia Rodinko; Roman Oliynykov (CRYBLOCK@MobiSys, 2018)

Decreasing Security Threshold Against Double Spend Attack in Networks with Slow Synchronization. - Lyudmila Kovalchuk; Dmytro Kaidalov; Andrii Nastenko; Mariia Rodinko; Oleksiy Shevtsov; Roman Oliynykov (INFOCOM Workshops, 2019)

A Treasury System for Cryptocurrencies: Enabling Better Collaborative Intelligence. - Bingsheng Zhang; Roman Oliynykov; Hamed Balogun (NDSS, 2019)

The Method of Searching for Differential Trails of ARX-based Block Cipher Cypress. - Mariia Rodinko; Roman Oliynykov (DESSERT, 2020)

Zendoo: a zk-SNARK Verifiable Cross-Chain Transfer Protocol Enabling Decoupled and Decentralized Sidechains. - Alberto Garoffolo; Dmytro Kaidalov; Roman Oliynykov (ICDCS, 2020)

Upper bound probability of double spend attack on SPECTRE. - Lyudmila Kovalchuk; Mariia Rodinko; Roman Oliynykov (CryBlock@MOBICOM, 2020)

Differential Cryptanalysis of the Lightweight Block Cipher Cypress-256. - Mariia Rodinko; Roman Oliynykov; Khalicha Yubuzova (Int. J. Comput., 2020)

Game-Theoretic View on Decentralized Proof Generation in zk-SNARK-based Sidechains. - Yuri Bespalov; Alberto Garoffolo; Lyudmila Kovalchuk; Hanna Nelasa; Roman Oliynykov (CPITS I, 2021)

Latus Incentive Scheme: Enabling Decentralization in Blockchains based on Recursive SNARKs. - Alberto Garoffolo; Dmytro Kaidalov; Roman Oliynykov (IACR Cryptol. ePrint Arch., 2021)

Blockchain Technologies: Probability of Double-Spend Attack on a Proof-of-Stake Consensus. - Mikolaj P. Karpinski; Lyudmila Kovalchuk; Roman V. Kochan; Roman Oliynykov; Mariia Rodinko; Lukasz Wieclaw (Sensors, 2021)

Parallel Contests for Crowdsourcing Reviews: Existence and Quality of Equilibria. - Georgios Birmpas; Lyudmila Kovalchuk; Philip Lazos; Roman Oliynykov (AFT, 2022)

A Game-Theoretic Analysis of Delegation Incentives in Blockchain Governance. - Lyudmila Kovalchuk; Mariia Rodinko; Roman Oliynykov (DPM/CBT@ESORICS, 2022)

Game theory analysis of incentive distribution for prompt generation of the proof tree in zk-SNARK based sidechains. - Yuri Bespalov; Lyudmila Kovalchuk; Hanna Nelasa; Roman Oliynykov; Alberto Garoffolo (ICCST, 2022)

Trustless Cross-chain Communication for Zendoo Sidechains. - Alberto Garoffolo; Dmytro Kaidalov; Roman Oliynykov (IACR Cryptol. ePrint Arch., 2022)

Reputation-Based Incentive Model for Decentralized Analysis of Development Proposals. - Lyudmila Kovalchuk; Mariia Rodinko; Roman Oliynykov (IDAACS, 2023)

A Scalable Coercion-resistant Blockchain Decision-making Scheme. - Zeyuan Yin 002; Bingsheng Zhang; Andrii Nastenko; Roman Oliynykov; Kui Ren 001 (IACR Cryptol. ePrint Arch., 2023)

Privacy-Preserving Decision-Making Over Blockchain. - Jiajie Zhang; Bingsheng Zhang; Andrii Nastenko; Hamed Balogun; Roman Oliynykov (IEEE Trans. Dependable Secur. Comput., 2023)

Models for Generation of Proof Forest in zk-SNARK Based Sidechains. - Yuri Bespalov; Lyudmila Kovalchuk; Hanna Nelasa; Roman Oliynykov; Rob Viglione (Cryptogr., 2023)

Using Chernoff Bound to Statistical Tests Independence Checking. - Lyudmila Kovalchuk; Mariia Rodinko; Roman Oliynykov; Tatiana Klymenko (IT&I, 2024)

Snarktor: A Decentralized Protocol for Scaling SNARKs Verification in Blockchains. - Alberto Garoffolo; Dmytro Kaidalov; Roman Oliynykov (IACR Cryptol. ePrint Arch., 2024)

GIGA Protocol: Unlocking Trustless Parallel Computation in Blockchains. - Alberto Garoffolo; Dmytro Kaidalov; Roman Oliynykov; Daniele Di Tullio; Mariia Rodinko (IACR Cryptol. ePrint Arch., 2025)

Universally Composable On-Chain Quadratic Voting for Liquid Democracy. - Lyudmila Kovalchuk; Bingsheng Zhang; Andrii Nastenko; Zeyuan Yin 002; Roman Oliynykov; Mariia Rodinko (IACR Cryptol. ePrint Arch., 2025)

Enhancing Decentralization in Blockchain Decision-Making Through Quadratic Voting and Its Generalization. - Lyudmila Kovalchuk; Mariia Rodinko; Roman Oliynykov; Andrii Nastenko; Dmytro Kaidalov; Kenric Nelson (CoRR, 2025)