2. Statistical Physics for the Digital Economy

Workshop organized by: T. Aste, G. Caldarelli, T. Di Matteo and G. Livan


For more information please visit the web page
Statistical Physics for the Digital Economy


The last few years have seen the emergence of novel and entirely digital forms of economic exchange. Indeed, we have witnessed the emergence of sharing economy marketplaces where individuals can share goods and resources in real time, peer-to-peer financial services, as well as the creation of a purely digital currency such as Bitcoin [1-3].

The common trait of such disruptive innovations is that they all rely on decentralized distributed networks of users who voluntarily participate. In this respect, these cannot be regarded as anything other than large interacting systems, where individual choices scale to collective consequences. This is precisely the realm of application of Statistical Physics, where the laws describing macroscopic behavior acquire a statistical nature, which loses its dependence on the details of the local interactions as the system size increases. Over the last few years, the methods of Statistical Physics have had tremendous success in describing phenomena lying outside the conventional realm of Physics. Up to now, some of the most fruitful applications have focused precisely on network phenomena, ranging from the spread of epidemics to subjects that had been exclusively investigated in Economics and in the Social Sciences, such as stock markets or social networks.    
This workshop aims at bringing together a pool of experts in the interdisciplinary Statistical Physics community to outline, explore, discuss and address the challenges posed by the growth of the digital economy, and to identify the research channels where Statistical Physics could play a key role in delivering relevant quantitative findings.    
[1] S. Nakamoto, Bitcoin: A peer-to-peer electronic cash system (https://bitcoin.org/bitcoin.pdf, 2008)    

[2] F. Caccioli, G. Livan, T. Aste, Scalability and Egalitarianism in Peer-to-Peer Networks (Banking Beyond Money and Banks, 2016)    

[3] http://blockchain.cs.ucl.ac.uk/   


Invited speakears:

• Fabio Caccioli (UCL)
• Andrea Gabrielli (CNR Rome)
• Henrik Jensen (Imperial College London)
• Imre Kondor (Parmenides Foundation)
• Rosario Mantegna (Università di Palermo)
• Richard Olsen (Lykke)
• Giovanni Petri (ISI Foundation Turin)
• Sebastian Poledna (Complexity Science Hub Vienna)
• Tiziano Squartini (IMT Lucca)
• Hideki Takayasu (Sony Laboratories)
• Misako Takayasu (Tokyo Institute of Technology)
• Paolo Tasca (UCL)



SigmaPhi Prizes

The SigmaPhi Prize for 2020 and SigmaPhi Prize for 2023 have been awarded during SigmaPhi2023 Conference to

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During the conference, four works selected out of all the oral and poster presentations have been awarded.

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SigmaPhi 2023 Europhysics Conference

The European Physical Society (EPS) has recognized the SigmaPhi 2023 as Europhysics Conference.

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Scientific Sponsors 2023


Statistical and Nonlinear

Physics Division 

Politecnico di Torino




Roma, Italy


Technical University of

Crete Chania, Greece


Aristotele University of

Thessaloniki, Greece


N.C.S.R. Demokritos

Athens, Greece


University of Leuven


University of Cagliari



AFEA Company

Athens, Greece




MDPI publisher




edp Scince publisher



Springer publisher