Zouari, Michael ORCID: https://orcid.org/0009-0002-2228-713X, Alon, Ilan ORCID: https://orcid.org/0000-0002-6927-593X and Shtudiner, Zeev ORCID: https://orcid.org/0000-0003-1471-3565 (2026) Heterogeneous collective criticality in cryptocurrency volatility : scaling collapse, tail synchronization, and cascade amplification. Chaos, Solitons and Fractals, 211 (Pt 1). DOI 10.1016/j.chaos.2026.118809