Search Results - "Kovalchuk, Lyudmila"

Blockchain Technologies: Probability of Double-Spend Attack on a Proof-of-Stake Consensus by Karpinski, Mikolaj, Kovalchuk, Lyudmila, Kochan, Roman, Oliynykov, Roman, Rodinko, Mariia, Wieclaw, Lukasz

“…Two double-spend attack strategies on a proof-of-stake consensus are considered. For each strategy, the probability of its success is obtained, which depends…”
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Achieving Security in Proof-of-Proof Protocol with Non-Zero Synchronization Time by Kovalchuk, Lyudmila, Kostanda, Volodymyr, Marukhnenko, Oleksandr, Pozhylenkov, Oleksii

“…Among the most significant problems that almost any blockchain faces are the problems of increasing its throughput (i.e., the number of transactions per unit…”
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The Method of Choosing Parameters for Margin Trading Protocols in the Constant Product Model by Kovalchuk, Lyudmila, Kostanda, Volodymyr, Marukhnenko, Oleksandr, Kuchynska, Nataliia, Marchuk, Yuliia

“…We introduce a new method of choosing parameters for margin trading protocols in the Constant Product Model and apply it to our new DeFi Margin Trading…”
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Models for Generation of Proof Forest in zk-SNARK Based Sidechains by Bespalov, Yuri, Kovalchuk, Lyudmila, Nelasa, Hanna, Oliynykov, Roman, Viglione, Rob

“…Sidechains are among the most promising scalability and extended functionality solutions for blockchains. Application of zero knowledge techniques (Latus,…”
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Probability Models of Distributed Proof Generation for zk-SNARK-Based Blockchains by Bespalov, Yuri, Garoffolo, Alberto, Kovalchuk, Lyudmila, Nelasa, Hanna, Oliynykov, Roman

“…The paper is devoted to the investigation of the distributed proof generation process, which makes use of recursive zk-SNARKs. Such distributed proof…”
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Probability of double spend attack for network with non-zero time delay by Kovalchuk, Lyudmila, Rodinko, Mariia, Oliynykov, Roman, Kaidalov, Dmytro, Nastenko, Andrii

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Decreasing security threshold against double spend attack in networks with slow synchronization by Kovalchuk, Lyudmila, Kaidalov, Dmytro, Nastenko, Andrii, Rodinko, Mariia, Shevtsov, Oleksiy, Oliynykov, Roman

“…We research the probability change of successful double spend attack on Proof-of-Work consensus protocol depending on network parameters in the model with…”
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Game theory analysis of incentive distribution for prompt generation of the proof tree in zk-SNARK based sidechains by Bespalov, Yuri, Kovalchuk, Lyudmila, Nelasa, Hanna, Oliynykov, Roman, Garoffolo, Alberto

“…In sidechains with Latus consensus, a block forger generates a block using SNARK-proofs, created by decentralized provers and organized in a perfect binary…”
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Reputation-Based Incentive Model for Decentralized Analysis of Development Proposals by Kovalchuk, Lyudmila, Rodinko, Mariia, Oliynykov, Roman

“…In this paper we present a reputation-based incentive model for community-driven decentralized analysis of cryptocurrency platform development proposals…”
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Parallel Contests for Crowdsourcing Reviews: Existence and Quality of Equilibria by Birmpas, Georgios, Kovalchuk, Lyudmila, Lazos, Philip, Oliynykov, Roman

“…Motivated by the intricacies of allocating treasury funds in blockchain settings, we study the problem of crowdsourcing reviews for many different proposals,…”
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On Generation of Cycles, Chains and Graphs of Pairing-Friendly Elliptic Curves by Bespalov, Yuri, Nelasa, Hanna, Kovalchuk, Lyudmila, Oliynykov, Roman

“…We study the problem of generation of cycles, chains and graphs of pairing-friendly elliptic curves using in succinct non-interactive arguments for knowledge…”
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Decreasing Security Threshold Against Double Spend Attack in Networks with Slow Synchronization by Kovalchuk, Lyudmila, Kaidalov, Dmytro, Nastenko, Andrii, Rodinko, Mariia, Shevtsov, Oleksiy, Oliynykov, Roman

“…We study probability change of double spend attack on Proof-of-Work consensus protocol depending on network parameters in the model with continuous time. We…”
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Analysis of splitting attacks on Bitcoin and GHOST consensus protocols by Kovalchuk, Lyudmila, Kaidalov, Dmytro, Shevtsov, Oleksiy, Nastenko, Andrii, Rodinko, Mariia, Oliynykov, Roman

“…We propose new mathematical models of splitting attacks targeted at two major consensus protocols applied in cryptocurrencies. Obtained upper bounds of…”
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