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Peter Gaži

Research Fellow

Academic Research

Slovakia

Consensus Redux: Distributed Ledgers in the Face of Adversarial Supremacy

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

July 2024, CSF '24

PROOF-OF-STAKE PROOF-OF-WORK SELF-HEALING

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

VRF

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 FRONT-RUNNING GOLDFINGER

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 ETHEREUM 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 STATECHANNEL

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

AMPLIFICATION COMBINER LEDGER

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 THROUGHPUT

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