When choosing an exchange approach, it is important to focus on reliability, transparency of conditions, legal status, as well as technical parameters such as the network, token type, availability of reserves, declared commission, transfer amount, identification requirements and processing speed. Using an exchange service gives the user full control over all stages: from choosing an exchange office to confirming the application and receiving funds. This approach eliminates the likelihood of technical errors, reduces risks and helps to get a favorable rate with minimal time costs. It is this type of instrument that forms a new standard of financial transparency in the field of cryptocurrency exchange for fiat money, especially when it comes to cash zloty in EU countries.