169961 20260311144733.0 978-84-10174-68-9 BOOK-2026-259 spa Bueso Guillén, Pedro José Dominance, Bigtechs and digital payment services: regulatory approaches Barcelona Atelier 2024 189-208 Enlace a la obra completa: https://doi.org/10.71237/zKo2YRpW. The resources required for the delivery at the III Valencia International Meeting on Competition Law «Dominance, dependence and mergers in digital markets» of the presentation that gives rise to this work, as well as for its drafting, have been financed by the Regional Government of Aragon Reference Research Group on Legal Management of Innovative Business, Instruments and Organisations - LegMiBIO (S12_23R), as well as by the research project of the of the Spanish Ministry of Science, Innovation and Universities (2023-2026), entitled «Blockchain and Corporate Law (2). Bigdata, Fintech and the protection of the user of financial services» (I+D PID2022-137502NB-I00). After defining Bigtechs for the purpose of this paper, it presents the status of their activity in the payment and E-money services EU internal market. Next it deals with the regulatory approaches called to face the leverage risk raising from the impact of their dominance in primary markets on the level playing field between the incumbents and these newcomers in the above mentioned financial services market. The regulatory mechanisms offered by the approaches based on the Law on Financial Services and on Competition Law are explored. The paper ends with some final remarks. lplumed@unizar.es http://zaguan.unizar.es/record/169961/files/BOOK-2026-259.pdf Texto completo oai:zaguan.unizar.es:169961 books New European Competition Trends in Digital Markets info:eu-repo/semantics/openAccess all-rights-reserved BOOK CAPITULOS