Michele Ciampi

83 papers A 1B 4Misc 2Journal 44Unranked 30
YearRankTypeTitle / Venue / Authors
2026 — book
Round and Computational Efficiency of Multi-party Protocols
Michele Ciampi, Luisa Siniscalchi
2026 J jnl
Round-Optimal GUC-Secure Blind Signatures from Minimal Computational and Setup Assumptions.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Pierpaolo Della Monica, Ivan Visconti
2025 J jnl
Black-Box (and Fast) Non-Malleable Zero Knowledge.
IACR Cryptol. ePrint Arch.
Vincenzo Botta, Michele Ciampi, Emmanuela Orsini, Luisa Siniscalchi, Ivan Visconti
2025 — conf
Black-Box Constant-Round Secure 2PC with Succinct Communication.
EUROCRYPT (5)
Michele Ciampi, Ankit Kumar Misra, Rafail Ostrovsky, Akash Shah
2025 J jnl
Black-Box Constant-Round Secure 2PC with Succinct Communication.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Ankit Kumar Misra, Rafail Ostrovsky, Akash Shah
2025 J jnl
Broadcast-Optimal Secure Computation From Black-Box Oblivious Transfer.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Divya Ravi, Luisa Siniscalchi, Yu Xia
2025 — conf
Broadcast-Optimal Secure Computation from Black-Box Oblivious Transfer.
ASIACRYPT (5)
Michele Ciampi, Divya Ravi, Luisa Siniscalchi, Yu Xia
2025 J jnl
Cross-chain Lightning Trades: Getting the Advantages of a Custodial Exchange while Keeping Your Assets.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Muhammad Ishaq, Rafail Ostrovsky, Ioannis Tzannetos, Vassilis Zikas
2025 J jnl
Delayed-Input Multi-Party Computation.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Jure Sternad, Yu Xia
2025 — conf
Delayed-Input Multi-party Computation.
ACNS (1)
Michele Ciampi, Jure Sternad, Yu Xia
2025 J jnl
Efficient NIZK Arguments with Straight-Line Simulation and Extraction.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Ivan Visconti
2025 — conf
Information-Theoretic Broadcast-Optimal MPC.
TCC (1)
Michele Ciampi, Ivan Damgård, Divya Ravi, Luisa Siniscalchi, Sophia Yakoubov
2025 J jnl
Information-Theoretic Broadcast-Optimal MPC.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Ivan Damgård, Divya Ravi, Luisa Siniscalchi, Sophia Yakoubov
2025 J jnl
PrivaDE: Privacy-preserving Data Evaluation for Blockchain-based Data Marketplaces.
CoRR
Wan Ki Wong, Sahel Torkamani, Michele Ciampi, Rik Sarkar
2025 J jnl
Robust Non-Interactive Zero-Knowledge Combiners.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Lorenzo Magliocco, Daniele Venturi, Yu Xia
2025 — conf
Round-Optimal Black-Box Multiparty Computation from Polynomial-Time Assumptions.
EUROCRYPT (5)
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Hendrik Waldner
2025 B conf
Two-Tier Black-Box Blockchains and Application to Instant Layer-1 Payments.
AFT
Michele Ciampi, Yun Lu, Rafail Ostrovsky, Vassilis Zikas
2025 J jnl
Two-Tier Black-box Blockchains and Application to Instant Layer-1 Payments.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Yun Lu, Rafail Ostrovsky, Vassilis Zikas
2025 B conf
Universal Adaptor Signatures from Blackbox Multi-party Computation.
CT-RSA
Michele Ciampi, Xiangyu Liu, Ioannis Tzannetos, Vassilis Zikas
2025 — conf
Universally Composable SNARKs with Transparent Setup without Programmable Random Oracle.
CRYPTO (7)
Christian Badertscher, Matteo Campanelli, Michele Ciampi, Luigi Russo, Luisa Siniscalchi
2025 — conf
Universally Composable Transaction Order Fairness: Refined Definitions and Adaptive Security.
ASIACRYPT (2)
Michele Ciampi, Aggelos Kiayias, Yu Shen
2025 J jnl
Universally Composable Transaction Order Fairness: Refined Definitions and Adaptive Security.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Aggelos Kiayias, Yu Shen
2024 — conf
Black-Box (and Fast) Non-malleable Zero Knowledge.
CRYPTO (9)
Vincenzo Botta, Michele Ciampi, Emmanuela Orsini, Luisa Siniscalchi, Ivan Visconti
2024 J jnl
Universal Adaptor Signatures from Blackbox Multi-Party Computation.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Xiangyu Liu, Ioannis Tzannetos, Vassilis Zikas
2024 — conf
Universal Composable Transaction Serialization with Order Fairness.
CRYPTO (2)
Michele Ciampi, Aggelos Kiayias, Yu Shen
2024 J jnl
Universal Composable Transaction Serialization with Order Fairness.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Aggelos Kiayias, Yu Shen
2024 J jnl
Universally Composable SNARKs with Transparent Setup without Programmable Random Oracle.
IACR Cryptol. ePrint Arch.
Christian Badertscher, Matteo Campanelli, Michele Ciampi, Luigi Russo, Luisa Siniscalchi
2023 — conf
Agile Cryptography: A Universally Composable Approach.
TCC (4)
Christian Badertscher, Michele Ciampi, Aggelos Kiayias
2023 — conf
Broadcast-Optimal Four-Round MPC in the Plain Model.
TCC (2)
Michele Ciampi, Ivan Damgård, Divya Ravi, Luisa Siniscalchi, Yu Xia, Sophia Yakoubov
2023 J jnl
Broadcast-Optimal Four-Round MPC in the Plain Model.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Ivan Damgård, Divya Ravi, Luisa Siniscalchi, Yu Xia, Sophia Yakoubov
2023 J jnl
Etherless Ethereum tokens: Simulating native tokens in Ethereum.
J. Comput. Syst. Sci.
John Andrews, Michele Ciampi, Vassilis Zikas
2023 — conf
List Oblivious Transfer and Applications to Round-Optimal Black-Box Multiparty Coin Tossing.
CRYPTO (1)
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Hendrik Waldner
2023 J jnl
List Oblivious Transfer and Applications to Round-Optimal Black-Box Multiparty Coin Tossing.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Hendrik Waldner
2023 B conf
Multi-Theorem Fiat-Shamir Transform from Correlation-Intractable Hash Functions.
ACNS
Michele Ciampi, Yu Xia
2023 J jnl
Multi-Theorem Fiat-Shamir Transform from Correlation-Intractable Hash Functions.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Yu Xia
2023 J jnl
Round-Optimal Black-Box Multiparty Computation from Polynomial-Time Assumptions.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Hendrik Waldner
2022 J jnl
Agile Cryptography: A Composable Approach.
IACR Cryptol. ePrint Arch.
Christian Badertscher, Michele Ciampi, Aggelos Kiayias
2022 A conf
Collusion-Preserving Computation without a Mediator.
CSF
Michele Ciampi, Yun Lu, Vassilis Zikas
2022 B conf
Efficient NIZK Arguments with Straight-Line Simulation and Extraction.
CANS
Michele Ciampi, Ivan Visconti
2022 — conf
Etherless Ethereum Tokens: Simulating Native Tokens in Ethereum.
CSCML
John Andrews, Michele Ciampi, Vassilis Zikas
2022 — conf
FairMM: A Fast and Frontrunning-Resistant Crypto Market-Maker.
CSCML
Michele Ciampi, Muhammad Ishaq, Malik Magdon-Ismail, Rafail Ostrovsky, Vassilis Zikas
2022 J jnl
Four-Round Black-Box Non-Malleable Commitments from One-Way Permutations.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Emmanuela Orsini, Luisa Siniscalchi
2022 — conf
Four-Round Black-Box Non-malleable Schemes from One-Way Permutations.
TCC (2)
Michele Ciampi, Emmanuela Orsini, Luisa Siniscalchi
2022 J jnl
Round-Optimal Multi-Party Computation with Identifiable Abort.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Divya Ravi, Luisa Siniscalchi, Hendrik Waldner
2022 — conf
Round-Optimal Multi-party Computation with Identifiable Abort.
EUROCRYPT (1)
Michele Ciampi, Divya Ravi, Luisa Siniscalchi, Hendrik Waldner
2022 — conf
Round-Optimal and Communication-Efficient Multiparty Computation.
EUROCRYPT (1)
Michele Ciampi, Rafail Ostrovsky, Hendrik Waldner, Vassilis Zikas
2021 J jnl
Etherless Ethereum Tokens: Simulating Native Tokens in Ethereum.
IACR Cryptol. ePrint Arch.
John Andrews, Michele Ciampi, Vassilis Zikas
2021 J jnl
FairMM: A Fast and Frontrunning-Resistant Crypto Market-Maker.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Muhammad Ishaq, Malik Magdon-Ismail, Rafail Ostrovsky, Vassilis Zikas
2021 — conf
Multi-Client Functional Encryption for Separable Functions.
Public Key Cryptography (1)
Michele Ciampi, Luisa Siniscalchi, Hendrik Waldner
2021 — conf
Oblivious Transfer from Trapdoor Permutations in Minimal Rounds.
TCC (2)
Arka Rai Choudhuri, Michele Ciampi, Vipul Goyal, Abhishek Jain, Rafail Ostrovsky
2021 J jnl
Oblivious Transfer from Trapdoor Permutations in Minimal Rounds.
IACR Cryptol. ePrint Arch.
Arka Rai Choudhuri, Michele Ciampi, Vipul Goyal, Abhishek Jain, Rafail Ostrovsky
2021 — conf
Threshold Garbled Circuits and Ad Hoc Secure Computation.
EUROCRYPT (3)
Michele Ciampi, Vipul Goyal, Rafail Ostrovsky
2021 J jnl
Threshold Garbled Circuits and Ad Hoc Secure Computation.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Vipul Goyal, Rafail Ostrovsky
2020 J jnl
Collusion-Preserving Computation without a Mediator.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Yun Lu, Vassilis Zikas
2020 J jnl
Multi-Client Functional Encryption for Separable Functions.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Luisa Siniscalchi, Hendrik Waldner
2020 Misc conf
On Adaptive Security of Delayed-Input Sigma Protocols and Fiat-Shamir NIZKs.
SCN
Michele Ciampi, Roberto Parisella, Daniele Venturi
2020 J jnl
On Adaptive Security of Delayed-Input Sigma Protocols and Fiat-Shamir NIZKs.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Roberto Parisella, Daniele Venturi
2020 — conf
Round Optimal Secure Multiparty Computation from Minimal Assumptions.
TCC (2)
Arka Rai Choudhuri, Michele Ciampi, Vipul Goyal, Abhishek Jain, Rafail Ostrovsky
2020 J jnl
Round-Optimal and Communication-Efficient Multiparty Computation.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky, Hendrik Waldner, Vassilis Zikas
2020 J jnl
Secure Quantum Two-Party Computation: Impossibility and Constructions.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Alexandru Cojocaru, Elham Kashefi, Atul Mantri
2020 — conf
Timed Signatures and Zero-Knowledge Proofs - Timestamping in the Blockchain Era -.
ACNS (1)
Aydin Abadi, Michele Ciampi, Aggelos Kiayias, Vassilis Zikas
2020 — conf
Updatable Blockchains.
ESORICS (2)
Michele Ciampi, Nikos Karayannidis, Aggelos Kiayias, Dionysis Zindros
2020 J jnl
Updatable Blockchains.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Nikos Karayannidis, Aggelos Kiayias, Dionysis Zindros
2019 J jnl
Four-Round Secure Multiparty Computation from General Assumptions.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky
2019 J jnl
On Round Optimal Secure Multiparty Computation from Minimal Assumptions.
IACR Cryptol. ePrint Arch.
Arka Rai Choudhuri, Michele Ciampi, Vipul Goyal, Abhishek Jain, Rafail Ostrovsky
2019 J jnl
Timed Signatures and Zero-Knowledge Proofs -Timestamping in the Blockchain Era-.
IACR Cryptol. ePrint Arch.
Aydin Abadi, Michele Ciampi, Aggelos Kiayias, Vassilis Zikas
2018 Misc conf
Combining Private Set-Intersection with Secure Two-Party Computation.
SCN
Michele Ciampi, Claudio Orlandi
2018 J jnl
Combining Private Set-Intersection with Secure Two-Party Computation.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Claudio Orlandi
2018 — —
Round and computational efficiency of two-party protocols.
Michele Ciampi
2017 — conf
Delayed-Input Non-Malleable Zero Knowledge and Multi-Party Coin Tossing in Four Rounds.
TCC (1)
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2017 J jnl
Delayed-Input Non-Malleable Zero Knowledge and Multi-Party Coin Tossing in Four Rounds.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2017 — conf
Four-Round Concurrent Non-Malleable Commitments from One-Way Functions.
CRYPTO (2)
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2017 — conf
Round-Optimal Secure Two-Party Computation from Trapdoor Permutations.
TCC (1)
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2017 J jnl
Round-Optimal Secure Two-Party Computation from Trapdoor Permutations.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2016 — conf
A Transform for NIZK Almost as Efficient and General as the Fiat-Shamir Transform Without Programmable Random Oracles.
TCC (A2)
Michele Ciampi, Giuseppe Persiano, Luisa Siniscalchi, Ivan Visconti
2016 — conf
Concurrent Non-Malleable Commitments (and More) in 3 Rounds.
CRYPTO (3)
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2016 J jnl
Concurrent Non-Malleable Commitments (and More) in 3 Rounds.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2016 — conf
Improved OR-Composition of Sigma-Protocols.
TCC (A2)
Michele Ciampi, Giuseppe Persiano, Alessandra Scafuro, Luisa Siniscalchi, Ivan Visconti
2016 J jnl
On Round-Efficient Non-Malleable Protocols.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Rafail Ostrovsky, Luisa Siniscalchi, Ivan Visconti
2016 — conf
Online/Offline OR Composition of Sigma Protocols.
EUROCRYPT (2)
Michele Ciampi, Giuseppe Persiano, Alessandra Scafuro, Luisa Siniscalchi, Ivan Visconti
2016 J jnl
Online/Offline OR Composition of Sigma Protocols.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Giuseppe Persiano, Alessandra Scafuro, Luisa Siniscalchi, Ivan Visconti
2015 J jnl
A Transform for NIZK Almost as Efficient and General as the Fiat-Shamir Transform Without Programmable Random Oracles.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Giuseppe Persiano, Luisa Siniscalchi, Ivan Visconti
2015 J jnl
Improved OR Composition of Sigma-Protocols.
IACR Cryptol. ePrint Arch.
Michele Ciampi, Giuseppe Persiano, Alessandra Scafuro, Luisa Siniscalchi, Ivan Visconti