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Peter Gaži

Research Fellow

Academic Research

Slovakia

Fait Accompli Committee Selection: Improving the Size-Security Tradeoff of Stake-Based Committees

Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell

November 2023, ACM CCS '23

Practical Settlement Bounds for Longest-Chain Consensus

Peter Gaži,Ling Ren,Prof Alexander Russell

August 2023, Crypto '23

BITCOIN PROOF-OF-STAKE PROOF-OF-WORK

SNACKs: Leveraging Proofs of Sequential Work for Blockchain Light Clients

Hamza Abusalah,Georg Fuchsbauer,Peter Gaži,Karen Klein

December 2022, Asiacrypt '22

LIGHT-CLIENTS

Practical Settlement Bounds for Proof-of-Work Blockchains

Peter Gaži,Ling Ren,Prof Alexander Russell

November 2022, ACM CCS '22

PROOF-OF-WORK

On UC-Secure Range Extension and Batch Verification for ECVRF

Christian Badertscher,Peter Gaži,Iñigo Querejeta Azurmendi,Prof Alexander Russell

September 2022, ESORICS '22

Ouroboros Chronos: Permissionless Clock Synchronization via Proof-of-Stake

Christian Badertscher,Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell,Vassilis Zikas

October 2021, Eurocrypt '21

BLOCKCHAIN PROOF-OF-STAKE

Cardano Disaster Recovery Plan

Christian Badertscher,Nicholas Clarke,Jared Corduan,Duncan Coutts,Peter Gaži,Philipp Kant,Prof Aggelos Kiayias,Prof Alexander Russell

May 2021, IOHK

CARDANO

SoK: Algorithmic Incentive Manipulation Attacks on Permissionless PoW Cryptocurrencies

Aljosha Judmayer,Nicholas Stifter,Alexei Zamyatin,Itay Tsabary,Ittay Eyal,Peter Gaži,Sarah Meiklejohn,Edgar Weippl

March 2021, Workshop on Trusted Smart Contracts (Financial Cryptography 2021)

BRIBING CRYPTOCURRENCY

Pay To Win: Cheap, Crowdfundable, Cross-chain Algorithmic Incentive Manipulation Attacks on PoW Cryptocurrencies

Aljosha Judmayer,Nicholas Stifter,Alexei Zamyatin,Itay Tsabary,Peter Gaži,Sarah Meiklejohn,Edgar Weippl

March 2021, Workshop on Trusted Smart Contracts (Financial Cryptography 2021)

BRIBING SMARTCONTRACT

Hydra: Fast Isomorphic State Channels

Manuel Chakravarty,Sandro Coretti-Drayton,Matthias Fitzi,Peter Gaži,Philipp Kant,Prof Aggelos Kiayias,Prof Alexander Russell

March 2021, Financial Cryptography 2021

LAYER-TWO

Tight Consistency Bounds for Bitcoin

Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell

November 2020, ACM CCS '20

BITCOIN PROOF-OF-STAKE PROOF-OF-WORK

Ledger Combiners for Fast Settlement

Matthias Fitzi,Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell

November 2020, TCC '20

LEDGER

Consensus Redux: Distributed Ledgers in the Face of Adversarial Supremacy

Christian Badertscher,Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell,Vassilis Zikas

August 2020, ePrint Archive

PROOF-OF-STAKE PROOF-OF-WORK

Stake Shift in Major Cryptocurrencies: An Empirical Study

Rainer Stütz,Peter Gaži,Bernhard Haslhofer,Jacob Illum

February 2020, Financial Cryptography 2020

CRYPTOCURRENCY PROOF-OF-STAKE

Proof-of-Stake Blockchain Protocols with Near-Optimal Throughput

Matthias Fitzi,Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell

January 2020, ePrint Archive

PROOF-OF-STAKE

Proof-of-Stake Sidechains

Peter Gaži,Prof Aggelos Kiayias,Dionysis Zindros

May 2019, IEEE Symposium on Security and Privacy

BLOCKCHAIN PROOF-OF-STAKE SIDECHAINS

Parallel Chains: Improving Throughput and Latency of Blockchain Protocols via Parallel Composition

Matthias Fitzi,Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell

November 2018, EPrint Archive

BLOCKCHAIN DISTRIBUTED PROTOCOL SCALABILITY

Ouroboros Genesis: Composable Proof-of-Stake Blockchains with Dynamic Availability

Christian Badertscher,Peter Gaži,Prof Aggelos Kiayias,Alexander Russel,Vassilis Zikas

October 2018, CCS 2018 (ePrint Archive)

BLOCKCHAIN CRYPTOCURRENCY PROOF-OF-STAKE PROTOCOL

Stake-Bleeding Attacks on Proof-of-Stake Blockchains

Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell

June 2018, Crypto Valley'18

ATTACK DISTRIBUTED PROOF-OF-STAKE

Ouroboros Praos: An adaptively-secure, semi-synchronous proof-of-stake protocol

Bernardo David,Peter Gaži,Prof Aggelos Kiayias,Prof Alexander Russell

April 2018, EUROCRYPT 2018

CONSENSUS CRYPTOCURRENCY PROOF-OF-STAKE