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Lyudmila Kovalchuk

Probability of Double Spend Attack for PoS Consensus with Ouroboros Praos Slot Leader Election Procedure

Lyudmila Kovalchuk,Prof Roman Oliynykov,Mariia Rodinko

June 2024, CECC '24

OUROBOROS PROOF-OF-STAKE

Reputation-Based Incentive Model for Decentralized Analysis of Development Proposals

Lyudmila Kovalchuk,Mariia Rodinko,Prof Roman Oliynykov

September 2023, IDAACS 2023

REPUTATION

Models for Generation of Proof Forest in ZK-SNARK Based Sidechains

Yuri Bespalov,Lyudmila Kovalchuk,Hanna Nelasa,Prof Roman Oliynykov,Rob Viglione

March 2023, Cryptography

SIDECHAINS ZKSNARKS

Probability of double spend attack for network with non-zero time delay

Lyudmila Kovalchuk,Mariia Rodinko,Prof Roman Oliynykov,Dmytro Kaidalov,Andrii Nastenko

December 2022

PROOF-OF-WORK

Parallel Contests for Crowdsourcing Reviews: Existence and Quality of Equilibria

Georgios Birmpas,Lyudmila Kovalchuk,Philip Lazos,Prof Roman Oliynykov

September 2022, AFT '22

INCENTIVES

Game theory analysis of incentive distribution for prompt generation of the proof tree in zk-SNARK based sidechains

Yuri Bespalov,Lyudmila Kovalchuk,Hanna Nelasa,Prof Roman Oliynykov,Alberto Garoffolo

September 2022, ICCST '22

GAME-THEORY

A Game-Theoretic Analysis of Delegation Incentives in Blockchain Governance

Lyudmila Kovalchuk,Mariia Rodinko,Prof Roman Oliynykov

September 2022, CBT '22

GOVERNANCE INCENTIVES

Security analysis of slot leaders election procedure for PoS-based blockchains with on-chain randomness generation

Lyudmila Kovalchuk,Dmytro Kaidalov,Mariia Rodinko,Prof Roman Oliynykov

June 2022, CECC '22

GRINDING PROOF-OF-STAKE

Probability Models of Distributed Proof Generation for zk-SNARK-Based Blockchains

Yuri Bespalov,Alberto Garoffolo,Lyudmila Kovalchuk,Hanna Nelasa,Prof Roman Oliynykov

November 2021, Mathematics 2021 9(23)

BLOCKCHAIN ZKSNARKS

Blockchain Technologies: Probability of Double-Spend Attack on a Proof-of-Stake Consensus

Mikolaj Karpinski,Lyudmila Kovalchuk,Roman Kochan,Prof Roman Oliynykov,Mariia Rodinko,Lukasz Wieclaw

September 2021, Sensors 2021, 21(19), 6408

CONSENSUS PROOF-OF-STAKE

Probability of double spend attack for network with non-zero synchronization time

Lyudmila Kovalchuk,Mariia Rodinko,Prof Roman Oliynykov,Dmytro Kaidalov,Andrii Nastenko

June 2021, CECC '21

PROOF-OF-WORK

Models of distributed proof generation for ZK-SNARK-based blockchains

Yuri Bespalov,Alberto Garoffolo,Lyudmila Kovalchuk,Hanna Nelasa,Prof Roman Oliynykov

October 2020, Theoretical and Applied Cryptography 2020, Minsk, Belarus

BLOCKCHAIN MERKLE ZKSNARKS

Upper Bound Probability of Double Spend Attack on SPECTRE

Lyudmila Kovalchuk,Mariia Rodinko,Prof Roman Oliynykov

September 2020, CryBlock '20

DAG PROOF-OF-WORK

Decreasing Security Threshold Against Double Spend Attack in Networks with Slow Synchronization

Lyudmila Kovalchuk,Dmytro Kaidalov,Andrii Nastenko,Mariia Rodinko,Oleksiy Shevtsov,Prof Roman Oliynykov

April 2019, CryBlock'19

BITCOIN BLOCKCHAIN CONSENSUS

Comparison of Block Expectation Time for Various Consensus Algorithms

Dmytro Kaidalov,Lyudmila Kovalchuk,Andrii Nastenko,Mariia Rodinko,Oleksiy Shevtsov,Prof Roman Oliynykov

November 2018, Radio Electronics, Computer Science, Control (Ukranian Journal)

BLOCKCHAIN CONSENSUS DISTRIBUTED

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,Prof Roman Oliynykov

June 2018, CryBlock'18

BITCOIN BLOCKCHAIN SCALABILITY

A Proposal for An Ethereum Classic Treasury System

Dmytro Kaidalov,Lyudmila Kovalchuk,Andrii Nastenko,Mariia Rodinko,Oleksiy Shevtsov,Prof Roman Oliynykov

March 2017

BLOCKCHAIN CRYPTOCURRENCY ETHEREUM-CLASSIC