The article examines issues related to the effectiveness of public administration in the field of monetary security in Ukraine. The article presents general characteristics of the nature, state, and dynamics of the effectiveness of public administration in the field of currency security in Ukraine. The assessment of the current state and dynamics of the currency security indicators in Ukraine was made on the basis of the characteristics of the state monetary policy components indicators compared to similar indicators in Poland. The characteristics of exchange rate dynamics, GDP dynamics, and labour market dynamics in Ukraine and Poland are presented. The main economic factors affecting the exchange rate, namely the inflation rate and the state of the balance of trade account of the balance of payments have been considered. The main factors reducing the efficiency of Ukraine's monetary security administration are detailed. The dynamics of the indicators of the level of Ukraine's shadow economy proved to be contrary to the goals and objectives of the "Strategy of Ukraine's Economic Security until 2025". The ways to minimize the negative influencing factors and, accordingly, strengthen the implementation of monetary and credit policy and improve the efficiency of state management of monetary security of Ukraine were proposed. The development of currency circulation in Ukraine is ensured by the state's influence on monetary relations by specially authorized bodies with different legal statuses and powers. In practice, difficulties arise in the application of monetary law in the process of currency regulation. The mechanisms of interaction between state control bodies in the field of currency regulation have not yet been established, which weakens the position of the state in the currency market and hinders the process of integration into the international economic system.