“…in the pre-pandemic period, also provide grounds for the conclusion that difficult economic periods, when lockdowns are in place or other administrative restrictions, do not affect it. The analysed complementary currency represents an alternative form of financing, but also of cooperation, providing direct interaction between partners and a form of so-called "bottom-up initiatives", which are the result of the activity of activists and organizations leading grassroots solutions for sustainable development, as written about, among others, by Andreoni (2020), Seyfang and Smith (2007) and Szemerédi and Tatay (2021). In addition, the results of the study of the complementary currency Zielony in the pre-pandemic period and its positive impact on equalized local development, including the development of the small and medium-sized enterprise sector in the region, correlate with the results of the study by Belmonte et al (2021), who, analysing the results of REC, a pilot complementary virtual currency in Barcelona, Spain, noted its positive economic impact on the local economy, in particular, increasing the activity of local stores, small and medium-sized enterprises and increasing the efficiency and impact of public spending.…”