Time

Event

1:30 – 2:00 pm

Registration

2:00 – 3:00 Pm

Tutorial: DeFi Building Blocks (Part I)
Lewis Gudgeon & Sam Werner (Imperial College, UK)

3:00 – 3:30 pm

Coffee break

3:30 – 4:30 pm

Tutorial: DeFi Building Blocks (Part II)
Lewis Gudgeon & Sam Werner (Imperial College, UK)

Time

Event

9:45 – 10:00 am

Welcome & Opening Ceremony
William Knottenbelt & Marta Beltrán Pardo (General Chairs)

10:00 – 11:00 am

Keynote Speaker 1: Manuel M T Chakravarty
Title: Do Contracts Need Accounts?
Chair: Katinka Wolter

11:00 am – 11:30 pm

Coffee Break

11:30 am – 12:15 pm

Technical Session #1: Data analysis
Chair: Katinka Wolter

1. Performance and cost evaluation of public blockchain: NFT Marketplace Case Study
Mohammadreza Rasolroveicy and Marios-Eleftherios Fokaefs (Polytechnique Montréal, Canada)

2. To Fork or Not To Fork? Bitcoin Forks’ Success Analysis Using Twitter Data: Preliminary Results
Sarah Bouraga (University of Namur, Belgium)

12:15 – 1:30 pm

Lunch Break

1:30 – 2:45 pm

Technical Session #2:Blockchain Fundamentals
Chair: Will Knottenbelt

1. Simulation study of Sycomore++, a self-adapting graph-based permissionless distributed ledger
Aimen Djari (Université Paris-Saclay, CEA, LIST, Palaiseau, France); Emmanuelle Anceaume (IRISA, France); Sara Tucci-Piergiovanni (CEA LIST, France)
2. A Rational Mining Strategy for Proof-of-Work Consensus Algorithms
Mariano Basile, Gianluca Dini, Giovanni Nardini and Pericle Perazzo (University of Pisa, Italy)
3. Optimizing multi-party agreement protocols
Ivan Fedotov (Moscow Institute of Physics and Technology, Russia); Artem Barger (Idea Blockchain Research Lab, Israel); Anton Khritankov (Moscow Institute of Physics and Technology, Russia)

2:45 – 3:15 pm

Coffee break

3:15 – 4:15 pm

Technical Session #3:Access control and industrial applications
Chair: Artem Barger

1. Collaborative Administration of Role-Based Access Control in Smart Contracts
Stefan Craß, Andreas Lackner, Nedim Begic and Seyed Amid Moeinzadeh Mirhosseini (ABC Research GmbH, Austria); Nicolas Kirchmayr (Hae. sh, Austria)

2. Enhancing Trust in Industry 4.0 Traceability Data using Confidentiality-Preserving Digital Ledger
Valentin Mullet, Patrick Sondi and Eric Ramat (Université du Littoral Côte d’Opale, France)

3. A Distributed Calibration Certificate Infrastructure
Jakob Schaerer and Torsten Ingo Braun (University of Bern, Switzerland)

8:15 pm

Gala Dinner Cruise at “Le Capitaine Fracasse”

Time

Event

10:00 – 11:00 am

Keynote Speaker 2: Marko Vukolić
Title: A vision for decentralized computing
Chair: Yvonne-Anne Pignolet

11:00 – 11:30 am

Coffee break

11:30 am – 12:45 pm

Technical Session #4: Fundamentals
Chair: Stefan Crass

1. MeritRank: Sybil Tolerant Reputation for Merit-based Tokenomics
Bulat Nasrulin, Georgy Ishmaev and Johan Pouwelse (Delft University of Technology, The Netherlands)

2. Byzantine Fault-Tolerant Time in Hyperledger Fabric
Aleksandr Filippov (Sber Blockchain Lab, Israel); Artem Barger (Idea Blockchain Research Lab, Israel); Vladimir Popov and Oleg Abdrashitov (Sber Blockchain Lab, Israel)

3.Algorithmic balancing of hashrate in a Proof-of-Work (PoW) consensus protocol (Short Paper)
Alexander P Hobbs (Zenotta AG, Switzerland)

12:45 – 2:00 pm

Lunch Break

2:00 – 3:15 pm

Technical Session #5: Decentralized Finance and tokenomics
Chair: Sarah Bouraga

1. DePhi: Decentralizing Philanthropy via Blockchain for Traceable Micro-transactions
Vikas Jaiman and Visara Urovi (Maastricht University, The Netherlands); Alfa Yohannis (University of York, United Kingdom (Great Britain)); Pietro Piccini, Enrique Mikelarena and Bogdan Covrig (Maastricht University, The Netherlands); Catalina Goanta (Utrecht University, The Netherlands)

2. Debt-Financed Collateral and Stability Risks in the DeFi Ecosystem
Michael Darlin and Georgios Palaiokrassas (Yale University & Yale Institute for Network Science, USA); Leandros Tassiulas (Yale University, USA)

3. Depolymerization Project: Tokenization of Blockchains (Short Paper)
Antoine d’Aligny (EFREI Paris, France); Emmanuel Benoist and Christian Grothoff (Bern University of Applied Sciences, Switzerland)

3:15 – 3:45 pm

Coffee break

3:45 pm – 4:30 pm

Technical Session #6: Games, sharing and learning
Chair: Alfa Yohannis

1. Decentralized NFT-based Evolvable Games
Christos Karapapas, Georgios Syros, Iakovos Pittaras and George C. Polyzos (Athens University of Economics and Business, Greece)

2. BeSharing: A Copyright-aware Blockchain-enabled Knowledge Sharing Platform (Demo Paper)
Chenxiao Guo (University of Glasgow, United Kingdom (Great Britain)); Zihan Zhou (Univesrity of Glasgow, United Kingdom (Great Britain)); Hao Xu (University of Glasgow & Huawei Technologies, United Kingdom (Great Britain)); Yixuan Fan, Xiaoshuai Zhang and Lei Zhang (University of Glasgow, United Kingdom (Great Britain)

Time

Event

10:00 – 11:00 am

Keynote Speaker 3: Emmanuelle Anceaume
Title: Abstractions for permissionless fault tolerant distributed systems
Chair: Yvonne-Anne Pignolet

11:00 – 11:30 am

Coffee break

11:30 am – 12:15 pm

Technical Session #7: Mobile Communication
Chair: Fariba Ghaffar

1. Distributed Ledger Technologies for Cellular Networks and Beyond 5G: a survey
Meroua Moussaoui (Orange Labs, Institut Polytechnique de Paris, IMT, Telecom SudParis, France); Emmanuel Bertin (Orange Labs, France); Noel Crespi (Institut Mines-Télécom, Télécom SudParis, France); Nischal Aryal (Orange Telecom, Institut Polytechnique de Paris, IMT, Telecom SudParis, France)

2. Blockchain-based User Profile and Mobile Number Portability for Beyond 5G Mobile Communication Networks
Fariba Ghaffari and Emmanuel Bertin (Orange Labs, France); Noel Crespi (Institut Mines-Télécom, Télécom SudParis, France)

12:15 – 12:30 pm

Closing Conference