Publications
My papers are also available on my Google Scholar profile.
Under Submission
Mahi-Mahi: Low-Latency Asynchronous BFT DAG-Based Consensus
Philipp Jovanovic, Bryan Kumara, Lefteris Kokoris-Kogias, Alberto Sonnino, Pasindu Tennage, Igor Zablotchi
ArXiv Preprint, 2024
Obelia: Scaling DAG-Based Blockchains to Hundreds of Validators
George Danezis, Lefteris Kokoris-Kogias, Alberto Sonnino, Mingwei Tian
ArXiv Preprint, 2024
Pilotfish: Distributed Transaction Execution for Lazy Blockchains
Quentin Kniep, Lefteris Kokoris-Kogias, Alberto Sonnino, Igor Zablotchi, Nuda Zhang
ArXiv Preprint, 2024
Resilient Consensus Sustained Collaboratively
Junchao Chen, Suyash Gupta, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi
ArXiv Preprint, 2023
Seahorse: Efficiently Mixing Encrypted and Normal Transactions
Ben Riva, Alberto Sonnino, Lefteris Kokoris-Kogias
Cryptology ePrint, 2024
Sunfish: Reading Ledgers with Sparse Nodes
Giulia Scaffino, Karl Wüst, Deepak Maram, Alberto Sonnino, Lefteris Kokoris-Kogias
Cryptology ePrint, 2024
Thunderbolt: Causal Concurrent Consensus and Execution
Junchao Chen, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi
ArXiv Preprint, 2024
2025
Mysticeti: Reaching the Limits of Latency with Uncertified DAGs
Kushal Babel, Andrey Chursin, George Danezis, Anastasios Kichidis, Lefteris Kokoris-Kogias, Arun Koshy, Alberto Sonnino, Mingwei Tian
Network and Distributed System Security Symposium (NDSS), 2025
✨ Adopted by Sui
2024
An Empirical Study of Consensus Protocols' DoS Resilience
Giacomo Giuliari, Alberto Sonnino, Marc Frei, Fabio Streun, Lefteris Kokoris-Kogias, Adrian Perrig
ACM ASIA Conference on Computer and Communications Security (AsiaCCS), 2024
Arke: Scalable and Byzantine Fault Tolerant Privacy-Preserving Contact Discovery
Nicolas Mohnblatt, Alberto Sonnino, Kobi Gurkan, Philipp Jovanovic
Conference on Computer and Communications Security (CCS), 2024
DISC-NG: Robust Service Discovery in the Ethereum Global Network
Michał Król, Onur Ascigil, Sergi Rene, Alberto Sonnino, Matthieu Pigaglio, Ramin Sadre, Felix Lange, Etienne Rivière
IEEE European Symposium on Security and Privacy (EuroS&P), 2024
Fastcrypto: Pioneering Cryptography via Continuous Benchmarking
Kostas Kryptos Chalkias, Jonas Lindstrøm, Deepak Maram, Ben Riva, Arnab Roy, Alberto Sonnino, Joy Wang
International Workshop on Load Testing and Benchmarking of Software Systems (LTB), 2024
✨ Integrated into fastcrypto
HammerHead: Leader Reputation for Dynamic Scheduling
Giorgos Tsimos, Anastasios Kichidis, Alberto Sonnino, Lefteris Kokoris-Kogias
IEEE International Conference on Distributed Computing Systems (ICDCS), 2024
✨ Adopted by Sui
Sloth: Key Stretching and Deniable Encryption using Secure Elements on Smartphones
Daniel Hugenroth, Alberto Sonnino, Sam Cutler, Alastair R. Beresford
International Symposium on Privacy Enhancing Technologies (PETs), 2024
Subset-optimized BLS Multi-signature with Key Aggregation
Foteini Baldimtsi, Konstantinos Kryptos Chalkias, François Garillot, Jonas Lindstrøm, Ben Riva, Arnab Roy, Alberto Sonnino, Pun Waiwitlikhit, Joy Wang
Financial Cryptography and Data Security (FC), 2024
✨ Integrated into fastcrypto
Sui Lutris: A Blockchain Combining Broadcast and Consensus
Same Blackshear, Andrey Chursin, George Danezis, Anastasios Kichidis, Lefteris Kokoris-Kogias, Xun Li, Mark Logan, Ashok Menon, Todd Nowacki, Alberto Sonnino, Brandon Williams, Lu Zhang
Conference on Computer and Communications Security (CCS), 2024
✨ Distinguished paper award
✨ Commercialized by Sui
2023
Parakeet: Practical Key Transparency for End-to-End Encrypted Messaging
Harjasleen Malvai, Lefteris Kokoris-Kogias, Alberto Sonnino, Esha Ghosh, Ercan Oztürk, Kevin Lewi, Sean Lawlor
Network and Distributed System Security Symposium (NDSS), 2023
✨ IETF Applied Networking Research Prize (ANRP)
✨ Adapoted by WhatsApp
Performance of EdDSA and BLS Signatures in Committee-Based Consensus
Zhuolun Li, Alberto Sonnino, Philipp Jovanovic
Workshop on Advanced tools, programming languages, and PLatforms for Implementing and Evaluating algorithms for Distributed systems (ApPLIED), 2023
Proof of Availability & Retrieval in a Modular Blockchain Architecture
Shir Cohen, Guy Goren, Lefteris Kokoris-Kogias, Alberto Sonnino, Alexander Spiegelman
Financial Cryptography and Data Security (FC), 2023
STROBE: Stake-based Threshold Random Beacons
Donald Beaver, Konstantinos Chalkias, Mahimna Kelkar, Lefteris Kokoris-Kogias, Kevin Lewi, Ladi de Naurois, Valeria Nikolaenko, Arnab Roy, Alberto Sonnino
ACM Conference on Advances in Financial Technologies (AFT), 2023
Zef: Low-latency, Scalable, Private Payments
Mathieu Baudet, Alberto Sonnino, Mahimna Kelkar, George Danezis
Workshop on Privacy in the Electronic Societ (WPES), 2023
✨ Commercialized by Linera
2022
Be Aware of Your Leaders
Shir Cohen, Rati Gelashvili, Lefteris Kokoris-Kogias, Zekun Li, Dahlia Malkhi, Alberto Sonnino, Alexander Spiegelman
Financial Cryptography and Data Security (FC), 2022
✨ Adopted by Diem
✨ Adopted by Aptos
Bullshark: DAG BFT Protocols Made Practical
Alexander Spiegelman, Neil Giridharan, Alberto Sonnino, Lefteris Kokoris-Kogias
Conference on Computer and Communications Security (CCS), 2022
✨ Commercialized by Sui
✨ Adopted by Aleo
✨ Adopted by Fleek
Efficient Multiparty Protocols Using Generalized Parseval's Identity and the Theta Algebra
Giorgio Sonnino, Alberto Sonnino
International Conference on Mathematics and Computers in Sciences and Industry (MCSI), 2022
Jolteon and Ditto: Network-Adaptive Efficient Consensus with Asynchronous Fallback
Rati Gelashvili, Lefteris Kokoris-Kogias, Alberto Sonnino, Alexander Spiegelman, Zhuolun Xiang
Financial Cryptography and Data Security (FC), 2022
✨ Adopted by Flow
✨ Adopted by Diem
✨ Commercialized by Aptos
✨ Adopted by Monad
Narwhal and Tusk: A DAG-based Mempool and Efficient BFT Consensus
George Danezis, Lefteris Kokoris-Kogias, Alberto Sonnino, Alexander Spiegelman
European Conference on Computer Systems (EuroSys), 2022
✨ Best paper award
✨ Commercialized by Sui
✨ Commercialized by Aptos
✨ Adopted by Fleek
✨ Adopted by Aleo
2021
(Brief Announcement) Twins: BFT Systems Made Robust
Shehar Bano, Alberto Sonnino, Andrey Chursin, Dmitri Perelman, Zekun Li, Avery Ching, Dahlia Malkhi
(Brief Announcement) International Symposium on Distributed Computing (DISC), 2021
EL PASSO: Privacy-preserving, Asynchronous Single Sign-On
Zhiyi Zhang, Michał Król, Alberto Sonnino, Lixia Zhang, Etienne Rivière
International Symposium on Privacy Enhancing Technologies (PETs), 2021
Fraud Proofs: Maximising Light Client Security and Scaling Blockchains with Dishonest Majorities
Mustafa Al-Bassam, Alberto Sonnino, Vitalik Buterin, Ismail Khoffi
Financial Cryptography and Data Security (FC), 2021
✨ Adopted by Ethereum 2.0
✨ Commercialized by Celestia
Shard Scheduler: Object Placement and Migration in Sharded Account-Based Blockchains
Michał Król, Onur Ascigil, Sergi Rene, Alberto Sonnino, Mustafa Al-Bassam, Etienne Rivière
ACM Conference on Advances in Financial Technologies (AFT), 2021
Twins: BFT Systems Made Robust
Shehar Bano, Alberto Sonnino, Andrey Chursin, Dmitri Perelman, Zekun Li, Avery Ching, Dahlia Malkhi
International Conference on Principles of Distributed Systems (OPODIS), 2021
✨ Adopted by Diem
✨ Adopted by Aptos
✨ Adopted by Chainlink
2020
FastPay: High-Performance Byzantine Fault Tolerant Settlement
Mathieu Baudet, George Danezis, Alberto Sonnino
ACM Conference on Advances in Financial Technologies (AFT), 2020
✨ Commercialized by Sui
✨ Foundation of Linera
PASTRAMI: Privacy-preserving, Auditable, Scalable & Trust-worthy Auctions for Multiple Items
Michał Król, Alberto Sonnino, Argyrios G. Tasiopoulos, Ioannis Psaras, Etienne Rivière
ACM/IFIP Middleware, 2020
Replay Attacks and Defenses against Cross-shard Consensus in Sharded Distributed Ledgers
Alberto Sonnino, Shehar Bano, Mustafa Al-Bassam, George Danezis
IEEE European Symposium on Security and Privacy (EuroS&P), 2020
✨ Adopted by Chainspace
2019
AStERISK: Auction-based Shared Economy ResolutIon System for blocKchain
Alberto Sonnino, Michał Król, Argyrios Tasiopoulos, Ioannis Psaras
Workshop on Decentralized IoT Systems and Security (DISS), 2019
Coconut: Threshold Issuance Selective Disclosure Credentials with Applications to Distributed Ledgers
Alberto Sonnino, Mustafa Al-Bassam, Shehar Bano, Sarah Meiklejohn, George Danezis
Network and Distributed System Security Symposium (NDSS), 2019
✨ Adpted by Ketl
✨ Adopted by Nym
✨ Adopted by Chainspace
✨ Integrated into Cosmos SDK
✨ Adopted by DECODE
Location, location, location: Revisiting Modeling and Exploitation for Location-based Side Channel Leakages
Christos Andrikos, Lejla Batina, Lukasz Chmielewski, Liran Lerman, Vasilios, Mavroudis, Kostas Papagiannopoulos, Guilherme Perin, Giorgos Rassias, Alberto Sonnino
Asiacrypt, 2019
Proof-of-Prestige: A Useful Work Reward System for Unverifiable Tasks
Michał Król, Alberto Sonnino, Mustafa Al-Bassam, Argyrios Tasiopoulos, Ioannis Psaras
IEEE International Conference on Blockchain and Cryptocurrency (ICBC), 2019
SoK: Consensus in the Age of Blockchains
Shehar Bano, Alberto Sonnino, Mustafa Al-Bassam, Sarah Azouvi, Patrick McCorry, Sarah Meiklejohn, George Danezis
ACM Conference on Advances in Financial Technologies (AFT), 2019
2018
Chainspace: A Sharded Smart Contracts Platform
Mustafa Al-Bassam, Alberto Sonnino, Shehar Bano, Dave Hrycyszyn, George Danezis
Network and Distributed System Security Symposium (NDSS), 2018
✨ Commercialized by Chainspace
2017
A Generic Reconfigurable Mixed Time and Frequency Domain QAM Transmitter with Forward Error Correction
Shalina Figuli, Peter Figuli, Alberto Sonnino, Jürgen Becker
International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems (IJATES2), 2017
2016
A Variable FPGA Based Generic QAM Transmitter with Scalable Mixed Time and Frequency Domain Signal Processing
Shalina Figuli, Alberto Sonnino, Peter Figuli, Jürgen Becker
IEEE International Conference on Telecommunications and Signal Processing (TSP), 2016