1. Autoridad de Supervisión Financiera de Polonia (2020). Report on the activities of the UKNF and the KNF boardIN 2020. https://www.knf.gov.pl/knf/en/komponenty/img/REPORT_ON_THE_ACTIVITIES_OF_THE_UKNF_AND_THE_KNF_BOARD_IN_2020_75607.pdf
2. Banco de España. (2023). Memoria de Supervisión 2022. https://doi.org/10.53479/29691
3. Banco Mundial (2020). How Regulators Respond To Fintech: Evaluating the Different Approaches – Sandboxesand Beyond. Fintech Note, No. 5. https://doi.org/10.1596/33698
4. Bank for International Settlements. (s.f.a.). About the BIS Innovation Hub. https://www.bis.org/about/bisih/about.htm
5. Bank for International Settlements. (s.f.b.). Project Atlas explores economic significance of cryptoassets and DeFi.https://www.bis.org/about/bisih/topics/suptech_regtech/atlas.htm