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Open AccessPersistent interaction patterns across social media platforms and over time
Growing concern surrounds the impact of social media platforms on public discourse1–4 and their influence on social dynamics5–9, especially in the context of toxicity10–12. Here, to better understand these phenom...
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Open AccessIdentifying key players in dark web marketplaces through Bitcoin transaction networks
Dark web marketplaces have been a significant outlet for illicit trade, serving millions of users worldwide for over a decade. However, not all users are the same. This paper aims to identify the key players i...
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Open AccessThe concept of decentralization through time and disciplines: a quantitative exploration
Decentralization is a pervasive concept found across disciplines, including Economics, Political Science, and Computer Science, where it is used in distinct yet interrelated ways. Here, we develop and publicly re...
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Open AccessAnalyzing the changing landscape of the Covid-19 vaccine debate on Twitter
The issue of vaccine hesitancy has posed a significant challenge during the Covid-19 pandemic, as it increases the risk of undermining public health interventions aimed at mitigating the spread of the virus. W...
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Open AccessGrowing polarization around climate change on social media
Climate change and political polarization are two of the twenty-first century’s critical socio-political issues. Here we investigate their intersection by studying the discussion around the United Nations Conf...
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Open AccessAuthor Correction: Heterogeneous rarity patterns drive price dynamics in NFT collections
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Open AccessHeterogeneous rarity patterns drive price dynamics in NFT collections
We quantify Non Fungible Token (NFT) rarity and investigate how it impacts market behaviour by analysing a dataset of 3.7M transactions collected between January 2018 and June 2022, involving 1.4M NFTs distrib...
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Central bank digital currencies risk becoming a digital Leviathan
Central bank digital currencies (CBDCs) already exist in several countries, with many more on the way. But although CBDCs can promote financial inclusivity by offering convenience and low transaction costs, th...
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Open AccessEmergence and structure of decentralised trade networks around dark web marketplaces
Dark web marketplaces (DWMs) are online platforms that facilitate illicit trade among millions of users generating billions of dollars in annual revenue. Recently, two interview-based studies have suggested th...
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Open AccessEthnic markers and the emergence of group-specific norms: an experiment
Visible markers are an important factor in social interactions. Some researchers have argued that one of their roles is to promote cooperation, but models designed to address this issue have yielded contradict...
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Open AccessGroup interactions modulate critical mass dynamics in social convention
How can minorities of individuals overturn social conventions? The theory of critical mass states that when a committed minority reaches a critical size, a cascade of behavioural changes can occur, overturning...
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Open AccessMap** the NFT revolution: market trends, trade networks, and visual features
Non Fungible Tokens (NFTs) are digital assets that represent objects like art, collectible, and in-game items. They are traded online, often with cryptocurrency, and are generally encoded within smart contract...
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Open AccessDark Web Marketplaces and COVID-19: before the vaccine
The COVID-19 pandemic has reshaped the demand for goods and services worldwide. The combination of a public health emergency, economic distress, and misinformation-driven panic have pushed customers and vendor...
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Open AccessExperimental evidence for scale-induced category convergence across populations
Individuals vary widely in how they categorize novel and ambiguous phenomena. This individual variation has led influential theories in cognitive and social science to suggest that communication in large socia...
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Open AccessEthnic markers and the emergence of group-specific norms
Observable social traits determine how we interact meaningfully in society even in our globalized world. While a popular hypothesis states that observable traits may help promote cooperation, the alternative e...
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Open AccessCollective dynamics of dark web marketplaces
Dark web marketplaces are websites that facilitate trade in illicit goods, mainly using Bitcoin. Since dark web marketplaces are unregulated, they do not offer any user protection, so police raids and scams re...
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Open AccessThe fragility of decentralised trustless socio-technical systems
The blockchain technology promises to transform finance, money and even governments. However, analyses of blockchain applicability and robustness typically focus on isolated systems whose actors contribute mai...
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Open AccessUnderstanding the interplay between social and spatial behaviour
According to personality psychology, personality traits determine many aspects of human behaviour. However, validating this insight in large groups has been challenging so far, due to the scarcity of multi-cha...
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Evidence for a conserved quantity in human mobility
Recent seminal works on human mobility have shown that individuals constantly exploit a small set of repeatedly visited locations1–3. A concurrent study has emphasized the explorative nature of human behaviour, s...
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Open AccessEffects of temporal correlations in social multiplex networks
Multi-layered networks represent a major advance in the description of natural complex systems, and their study has shed light on new physical phenomena. Despite its importance, however, the role of the tempor...
