Publications

My papers are also available on my Google Scholar profile.

Under Submission

Byzantine Consensus in the Random Asynchronous Model

George Danezis, Jovan Komatovic, Lefteris Kokoris-Kogias, Alberto Sonnino, Igor Zablotchi

ArXiv Preprint, 2025

Resilient Consensus Sustained Collaboratively

Junchao Chen, Suyash Gupta, Alberto Sonnino, Lefteris Kokoris-Kogias, Mohammad Sadoghi

ArXiv Preprint, 2023

Stingray: Fast Concurrent Transactions Without Consensus

Srivatsan Sridhar, Alberto Sonnino, Lefteris Kokoris-Kogias

ArXiv Preprint, 2025

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

Mahi-Mahi: Low-Latency Asynchronous BFT DAG-Based Consensus

Philipp Jovanovic, Bryan Kumara, Lefteris Kokoris-Kogias, Alberto Sonnino, Pasindu Tennage, Igor Zablotchi

IEEE International Conference on Distributed Computing Systems (ICDCS), 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

✨ Adopted by IOTA

Pilotfish: Distributed Transaction Execution for Lazy Blockchains

Quentin Kniep, Lefteris Kokoris-Kogias, Alberto Sonnino, Igor Zablotchi, Nuda Zhang

Financial Cryptography and Data Security (FC), 2025

Seahorse: Efficiently Mixing Encrypted and Normal Transactions

Ben Riva, Alberto Sonnino, Lefteris Kokoris-Kogias

Financial Cryptography and Data Security (FC), 2025

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

✨ Commercialized by Linera

✨ Commercialized by POD

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

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