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)

Analysis of 2-Isogeny Properties of Generalized Form Edwards Curves. - Anatoly Bessalov; Lyudmila Kovalchuk; Volodymyr Sokolov; Pavlo Skladannyi; Tamara Radivilova (CPITS, 2020)

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

Decreasing security threshold against double spend attack in networks with slow synchronization. - Lyudmila Kovalchuk; Dmytro Kaidalov; Andrii Nastenko; Mariia Rodinko; Oleksiy Shevtsov; Roman Oliynykov (Comput. Commun., 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)

Statistical Tests Independence Verification Methods. - Roman V. Kochan; Lyudmila Kovalchuk; Oleksandr Korchenko; Nataliia Kuchynska (KES, 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)

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

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

A New Extended Strategy of Processing of Statistical Testing Results. - Lyudmila Kovalchuk; Hanna Nelasa; Mariia Rodinko; Oleksii Bespalov (ISS@IT&I, 2024)

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

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)