Program & Presentations

Program draft for the entire congress available here (2023-IEEE Joint Conference-and-Workshop Initial Program (Draft))

The main conference for DAPPS 2023 will be Wednesday and Thursday July 19-20th. Monday July 17th is a workshop day, and Tuesday July 18th is an Industry Summit.

(Wednesday) July 19, 2023

8:30 – 9:30 AM

Joint Conference Keynote Session #DAPPS (Main Building – Auditorium)
Chair: Kaiwen Zhang

Speaker: Hans-Arno Jacobsen
Topic: The Renaissance of Byzantine Fault Tolerance: Revolutionizing Consensus Architecture for Pervasive Decentralized Systems

9:30 – 9:45 AM

Break and move to Second Building – Ballroom

9:45 AM – 11:00 AM

Session 1 (DAPPS01, Second Building – Ballroom)

Chair: Reza Parizi

1- Baturalp Buyukates, Chaoyang He, Shanshan Han, Zhiyong Fang, Yupeng Zhang, Jieyi Long, Ali Farahanchi and Salman Avestimehr. Proof-of-Contribution-Based Design for Collaborative Machine Learning on Blockchain

2- Navin Keizer, Onur Ascigil, Michał Król and George Pavlou. Ditto: Towards Decentralised Similarity Search for Web3 Services

3- Felix Hoops, Alexander Mühle, Florian Matthes and Christoph Meinel. A Taxonomy of Decentralized Identifier Methods for Practitioners

11:00 AM – 11:15 AM

Coffee break

11:15 AM – 12:30 PM

Session 2 (DAPPS02, Second Building – Ballroom)

Chair: Baturalp Buyukates

1-  Daria Schumm, Rahma Mukta and Hye-young Paik. Efficient Credential Revocation Using Cryptographic Accumulators

2- Rahma Mukta, Rue Teh, Hye-young Paik, Qinghua Lu and Salil Kanhere. VCTP: A Verifiable Credential-based Trust Propagation Protocol for Personal Issuers in Self-Sovereign Identity Platforms

3- Reza M. Parizi and Rizwan Patan. Automatic Detection of API Access Control Vulnerabilities in Decentralized Web3 Applications

12:30 PM – 1:30 PM


1:30 PM – 2:15 PM

#MobileCloud Keynote

2:15 PM – 2:30 PM

Coffee Break

2:30 PM – 3:30 PM

Session 3 (DAPPS03, Second Building – Ballroom)

1- Lodovica Marchesi. Using Django framework and DLT for Drug Supply Chain management

2- Mohammad Salar Arbabi, Arlindo Flavio Da Conceição, Thiago Garrett, Jan Nygård and Roman Vitenberg. Tracking Decisions about Granting Access to Health Data: Requirements and an Architecture

3- Nicola Cibin and Michele Albano. Blockchain-based platform for Crowdsourcing Machine Learning models design and training, while incentivizing continuous improvement

3:30 PM – 3:45 PM

Coffee Break

3:45 PM – 4:30 PM

#SOSE Keynote

4:30 PM – 4:45 PM

Coffee Break

4:45 PM – 6:00 PM

Session 4 (DAPPS04, Second Building – Ballroom)

Chair: Lodovica Marchesi

1- Shashank Motepalli and Hans Arno Jacobsen. Analyzing Geospatial Distribution in Blockchains

2- Xun Deng, Zihan Zhao, Sidi Mohamed Beillahi, Han Du, Cyrus Minwalla, Keerthi Nelaturu, Andreas Veneris and Fan Long. A Robust Front-Running Methodology for Malicious Flash-Loan DeFi Attacks

3- Arlindo Conceicao, Alexandre Siqueira and Vladimir Rocha. Performance Evaluation of Self-Sovereign Identity Use Cases

6:00 PM – 6:30 PM

Photo Session

7:30 PM – 9:30 PM


(Thursday) July 20, 2023

8:30 – 9:35 AM

#BDS Keynote

9:35 – 9:45 AM


9:45 AM – 11:00 AM

Session 5 (DAPPS05, Second Building – Ballroom)

1- Damiano Di Francesco Maesa and Frank Tietze. Automating Intellectual Property License Agreements with DLT

2- Maurantonio Caprolu, Elmahdi Bentafat, Spiridon Bakiras and Roberto Di Pietro. UBIC—A Blockchain-less Cryptocurrency: Rationals, Architecture, and PoC

3- Marc X. Makkes and Michael F. Toutonghi. Funding Large Projects with a Blockchain Based Automated Fractional Reserve Currency

11:00 AM – 11:15 AM

Coffee Break

11:15 AM – 12:30 PM

Session 6 (DAPPS06, Second Building – Ballroom)

Chair: Roberto Di Pietro

1- Jonas Schiffl, Alexander Weigl and Bernhard Beckert. Static Capability-based Security for Smart Contracts

2- Marco Zecchini, Micheal Sober, Stefan Schulte and Andrea Vitaletti. Building a Cross-Chain Identity: A Self-Sovereign Identity-based Framework

3- Špela Čučko, Boštjan Šumak and Muhamed Turkanović. Identification and Analysis of Self-Sovereign Identity User Interface and User Experience Design Patterns

4- Libin Xia, Jiashuo Zhang, Xihan Zhang, Yue Li, Jianbo Gao, Zhi Guan and Zhong Chen. Didapper: A Practical and Auditable On-Chain Identity Service for Decentralized Applications

12:30 PM – 1:30 PM


1:30 PM – 2:15 PM

#JCC Keynote

2:15 PM – 2:30 PM


2:30 PM – 3:30 PM

Session 7 (DAPPS07, Second Building – Ballroom)

Chair: Damiano Di Francesco Maesa

1- Zahra Batool, Sion Israel Sion, Rodrigue Tonga Naha and Kaiwen Zhang. B-ROSCA: A smart contract-based selection of ROSCA communities using collateral

2- Lucian Trestioreanu, Wazen Shbair, Flaviene Scheidt de Cristo and Radu State. Blockly2Hooks: Smart Contracts for Everyone with the XRP Ledger and Google Blockly

Discussion for the future of #DAPPS and wrap-up

Conference – Venue Map

Harokopio University of Athens, 70 El. Venizelou Str, 17676, Athens, Greece

Venue Main Building – Floor Map

Venue Secondary Building – Floor Map