| Vol-3166 urn:nbn:de:0074-3166-1 Copyright © 2022 for the individual papers by the papers' authors. Copyright © 2022 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# DLT 2022
Distributed Ledger Technology

### Proceedings of the 4th Workshop on Distributed Ledger Technology
co-located with the Italian Conference on Cybersecurity 2022 (ITASEC 2022)

### Romee, Italy, June 20, 2022.

Edited by

### Maurizio Pizzonia *
Andrea Vitaletti **

* Università degli Studi Roma Tre , Dipartimento di Ingegneria, Via Vito Volterra, 62, 00146, Rome, Italy
** Sapienza Università di Roma, Dipartimento di Ingegneria Informatica, Automatica e Gestionale, Via Ariosto 25, 00185 Rome, Italy

You can find below the DLT 2022 technical sessions. This volume contains 10 papers (see links). The remaining 6 oral communications are not published as papers in the proceedings but they were orally presented at the workshop.

## Table of Contents

- Preface

### Invited Talk

- Mina - A Blockchain in its True Sense
  Vanishree Rao

### Session 1: Studies and Tools

- Analysis of a Blockchain Protocol Based on LDPC Codes 7-17
  Massimo Battaglioni, Paolo Santini, Giulia Rafaiani, Franco Chiaraluce, Marco Baldi
- Evaluating Blockchain Systems: A Comprehensive Study of Security and Dependability Attributes 18-32
  Stefano De Angelis, Gilberto Zanfino, Leonardo Aniello, Federico Lombardi, Vladimiro Sassone
- A Study on Diem Distributed Ledger Technology 33-47
  Giuseppe Antonio Pierro, Roberto Tonelli
- DELTA - Distributed Elastic Log Text Analyser 48-59
  Pierluigi Di Pilla, Remo Pareschi, Francesco Salzano, Federico Zappone

### Session 2: Primitives

- A Provably-Unforgeable Threshold Schnorr Signature With an Offline Recovery Party 60-76
  Michele Battagliola, Alessio Galli, Riccardo Longo, Alessio Meneghetti
- Cob: A Consensus Layer Enabling Sustainable Sharding-Based Consensus Protocols 77-93
  Andrea Flamini, Riccardo Longo, Alessio Meneghetti

### Session 3: Applications

- Olive Oil as Case Study for the *-Chain Platform 94-102
  Stefano Bistarelli, Francesco Faloci, Paolo Mori, Carlo Taticchi
- AgriChain: Blockchain Syntactic and Semantic Validation for Reducing Information Asymmetry In Agri-Food 103-118
  Pierluigi Gallo, Federico Daidone, Filippo Sgroi, Mirko Avantaggiato
- On-Chain Global Maintenance Services 119-129
  Alessandro Bellini, Antonio Bonifacio, Salvatore Esposito De Falco, Simone Naldini, Francesco Pacileo, Diego Pennino, Maurizio Pizzonia, Domenico Sardanelli, Andrea Vitaletti, Pietro Vito, Marco Zecchini
- Blockchain-Based Tracking of the Supply Chain of the Italian Craft Beer Sector 130-145
  Lorenzo Ariemma, Niccolò De Carlo, Diego Pennino, Maurizio Pizzonia, Andrea Vitaletti, Marco Zecchini

### Oral Communications

- Self Sovereign Identity Access Control Systems - Verifying Private Attributes on the Blockchain
  Andrea Lisi, Damiano Di Francesco Maesa, Paolo Mori, Laura Ricci
- StateRelay: Verify the State of a Blockchain Identity in a Cross-Chain Setting
  Marco Zecchini, Stefan Schulte, Micheal Sober, Andrea Vitaletti
- When Blockchain Enables the IoT-Economy
  Diego Pennino, Maurizio Pizzonia, Andrea Vitaletti, Marco Zecchini
- Implementation of Ethereum Accounts and Transactions on Embedded IoT Devices
  Giulia Rafaiani, Paolo Santini, Franco Chiaraluce, Marco Baldi
- Flexible Choreography Execution on Blockchain
  Flavio Corradini, Alessandro Marcelletti, Andrea Morichetta, Andrea Polini, Barbara Re, Francesco Tiezzi
- Discovering Algorand: The First Truly Decentralised Permissionless Blockchain
  Stefano De Angelis

2022-07-09: submitted by Maurizio Pizzonia, metadata incl. bibliographic data published under Creative Commons CC0
2022-07-12: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|