Programme | DINPS 22

10 July 2022

08:30 - 08:45 CEST

Welcome and Logistics

08:45 - 09:45 CEST	Keynote: Title TBD
	Robbert van Renesse (Cornell University)

09:45 - 10:45 CEST

Session 1 - Decentralized Networking and Storage

09:45	Fair Incentivization of Bandwidth Sharing in Decentralized Storage Networks
	Vahid Heidaripour Lakhani (University of Stavanger), Leander Jehl (University of Stavanger), Rinke Hendriksen (Ethereum Swarm), Vero Estrada-Galiñanes (École Polytechnique Fédérale de Lausanne (EPFL))

10:05	Passively Measuring IPFS Churn and Network Size
	Erik Daniel (Technische Universität Berlin), Florian Tschorsch (Technische Universität Berlin)

10:25	P-KAD: Enriching Kademlia by Partitioning
	João Monteiro (NOVA LINCS & DI-FCT-UNL), Pedro Ákos Costa (NOVA LINCS & DI-FCT-UNL), João Leitão (NOVA LINCS & DI-FCT-UNL), Alfonso de la Rocha (Protocol Labs), Yiannis Psaras (Protocol Labs)

10:45 - 11:00 CEST

Coffee Break

11:00 - 12:30 CEST

Session 2 - Social economics and tooling for Decentralized Systems

11:00	Decentralized Technology in Practice: Social and technical resilience in IPFS
	Kelsie Nabben (RMIT University)

11:20	WAKU-RLN-RELAY: Privacy-Preserving Peer-to-Peer Economic Spam Protection
	Sanaz Taheri-Boshrooyeh (Vac Research and Development, Status Research and Development), Oskar Thoren (Vac Research and Development), Barry Whitehat (Unaffiliated), Wei Jie Koh (Independent), Onur Kilic (Unaffiliated), Kobi Gurkan (cLabs)

11:40	A graph diffusion scheme for decentralized search based on personalized page rank
	Nikolaos Giatsoglou (ITI CERTH, GR), Emmanouil Krasanakis (ITI CERTH, GR), Symeon Papadopoulos (ITI CERTH, GR), Ioannis Kompatsiaris (ITI CERTH, GR)

12:00	Towards Efficient Decentralized Federated Learning
	Christodoulos Pappas (University of Thessaly), Dimitrios Papadopoulos (HKUST), Dimitris Chatzopoulos (UC Dublin), Eleni Panagou (University of Thessaly), Spyros Lalis (University of Thessaly), Manolis Vavalis (University of Thessaly)

12:30 - 14:00 CEST

Lunch Break

14:00 - 14:45 CEST	Keynote: Networking Challenges in the Ethereum Network
	Felix Lange (Ethereum Foundation)

14:45 - 15:45 CEST

Session 3 - Blockchain, Consensus and Payment Channels

14:45	Decentralizing Watchtowers for Payment Channels using IPFS
	Hannes Bönisch (Karlsruhe Institute of Technology (KIT)), Matthias Grundmann (Karlsruhe Institute of Technology (KIT))

15:05	Hierarchical Consensus: A Horizontal Scaling Framework for Blockchains
	Alfonso de la Rocha (Protocol Labs), Lefteris Kokoris-Kogias (IST Austria), Jorge M. Soares (Protocol Labs), Marko Vukolić (Protocol Labs)

15:25	Flash Freezing Flash Boys: Countering Blockchain Front-Running
	Haoqian Zhang (EPFL, CH), Louis-Henri Merino (EPFL, CH), Vero Estrada-Galiñanes (EPFL, CH), Bryan Ford (EPFL, CH)

15:45 - 16:00 CEST

Coffee Break

16:00 - 17:20 CEST

Session 4 - Tutorials

16:00	Observing Blockchain p2p Networks Through Network Crawlers
	Mikel Cortes-Goicoechea (Barcelona Supercomputing Center), Leonardo Bautista-Gomez (Barcelona Supercomputing Center)

16:40	Holium: A Protocol for Data Transformation Pipelines
	Philippe Métais (Polyphene)

16:00 - 17:20 CEST

Session 5 - Demos (in parallel to Tutorials)

-	Decentralized Hole Punching
	Marten Seemann (Protocol Labs), Max Inden (Protocol Labs), Dimitris Vyzovitis (Protocol Labs)

-	Towards Portable Identities in the Matrix Protocol
	Cornelius Ihle (University of Göttingen), Fabian Deifuß (University of Wuppertal), Moritz Schubotz (FIZ Karlsruhe), Bela Gipp (University of Göttingen)

-	Waku: A Family of Modular P2P Protocols For Secure & Censorship-Resistant Communication
	Oskar Thorén (Vac Research and Development, Status Research and Development), Sanaz Taheri-Boshrooyeh (Vac Research and Development, Status Research and Development), Hanno Cornelius (Vac Research and Development, Status Research and Development)

-	Fluence Labs
	TBD

-	COD: Compute Over Data
	Wes Flyod (Protocol Labs)

17:20 - 17:30 CEST

Closing Remarks & Hackathon Announcement