DescriptionThis article uses longitudinal data from the messaging platform Telegram to trace how far-right conspiracy communities evolve, grow, and interact over time, focusing on changes in network structure, narrative themes, and user engagement patterns. By analysing both content and social dynamics on a fringe platform less moderated than mainstream social media, the study highlights how conspiracy-oriented online spaces can function as breeding grounds for radicalisation through reinforcement of extremist narratives and interconnected group activity. The findings are relevant for understanding digital pathways of radicalisation in less-regulated online environments.Related topicOnline radicalisation, including minorsLinkRead the document