Publications

You can also find my papers on my Google Scholar profile.

Under Submission

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
IACR eprint 2021/1643, 2022

Zef: Low-latency, Scalable, Private Payments

Mathieu Baudet, Alberto Sonnino, Mahimna Kelkar, George Danezis
ArXiv Preprint, 2022

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

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

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
✨ Integrated into 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

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
✨ Integrated into Aptos

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

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
✨ Adopted 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
✨ Integrated into Aptos

2020

FastPay: High-Performance Byzantine Fault Tolerant Settlement

Mathieu Baudet, George Danezis, Alberto Sonnino
ACM Conference on Advances in Financial Technologies (AFT), 2020
✨ Foundation of 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
✨ 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, 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