Ciesielska-Maciągowska, D., & Spyra, Łukasz. (2024). Cryptocurrency exchanges and crypto wallets in the decentralized finance system. Kwartalnik Nauk O Przedsiębiorstwie, 72(2), 5–16. https://doi.org/10.33119/KNoP.2024.72.2.1 (Original work published June 28, 2024)