In this paper systemic problems of Ukrainian banking sector are reviewed and the solutions are offered. The main objective of the study is to examine the relationship between a financial deepening and economic growth in Ukraine by estimating several multiple regression models over the 1993 to 2015 period. A real GDP growth per capita was used as an indicator for the economic growth. The domestic credit to private sector (% of GDP) was used as an index of financial depth. The study concludes that financial deepening causes a slight impact on the economic growth of Ukraine. A low level of impact is an indicator of a limitedness of lending to the real economy. This means that banking sector has not become the real driving force of the economic growth in Ukraine yet. The study suggests a statement that policy makers should design the policies which will encourage lending especially high tech production, small and mid-size business, micro financing to the real economy to promote economic growth and increase employment.

The article is devoted to a detailed analysis of the Ukrainian cryptocurrency implementation peculiarities and its impact on changes in economy. Additionally, the article gives a brief description of the world economy transformation processes, which are influenced by innovative instruments, primarily cryptocurrencies, blockchain technologies and smart contracts. These changes can fundamentally reshape current economic models and shape the new "digital economy". It's proved that Ukraine's economy must be open and flexible to such transformation processes, and therefore the national cryptocurrency development and implementation can prepare the domestic economy and give it considerable leading advantages over other countries. Moreover, currently working Ukrainian cryptocurrency projects have been researched and the main limitations and pitfalls of their functioning have been studied. The main attention is paid to the private UCH project, which is not only based on the blockchain technology like previous projects, but also uses smart contract platforms in three different spheres of Ukraine's economy and has a great potential for launching significant positive changes for Ukraine's economy. Furthermore, the advantages of the national cryptocurrency introduction and its possible functional features are considered in the article. These are: modernization of financial relationships-the national cryptocurrency is expected to improve, simplify and modernize the financial process; decentralization of financial relationships-the cryptocurrency is based on decentralized databases,

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