This paper comprehensively analyses the regulatory framework applicable to disclosure and transparency tools used in promoting crypto assets, particularly in the context of the MiCA Regulation. The paper focuses on the information a crypto-asset white paper should contain and all relevant details about marketing communications, such as advertising messages and marketing material. In commercial communications, the work delves into Directive (EU) 2019/1024 and Regulation (EU) No. 596/2014 to examine the rules and guidelines related to the content of crypto-asset advertising posted by professional social media profiles. This will highlight how the authorities are working to prevent the publication of false, misleading, or incomplete information on these issues.