Blockchain as a Tool to Strengthen the State’s Financial Security

Abstract

Traditional financial services are characterized by high complexity, multi-level structures, and dependence on intermediaries, which create significant operational costs, lengthy settlement times, and system risks. The article analyzes modern financial systems such as SWIFT, clearinghouses, central securities depositories, and central counter-parties, highlighting the key drawbacks of a centralized approach: data fragmentation, the need for synchronization, failure risks, and high compliance costs. The article also addresses contemporary challenges, including slow settlement times (for example, T+2 for equities), reliance on correspondent banking networks, and costs associated with risk management. The aim of the article is to survey the impact of blockchain technologies on the financial sector, assessing the opportunities and challenges of implementing blockchain to optimize financial processes. The article compares traditional financial systems with innovative approaches based on distributed ledgers, such as blockchain, in terms of performance, transparency, security, regulatory compliance, and cost. The research methodology includes a review of the relevant literature, an overview of existing platforms (Ethereum, Hyperledger Fabric, R3 Corda, Quorum), and their applications in the financial sector. The article examines the technological aspects of blockchain, including distributed ledgers, consensus algorithms, smart contracts, and asset tokenization. The advantages of blockchain technology are identified, particularly the automation of processes, reduction of reliance on intermediaries, increased transparency, and shortened settlement times. The prospects of decentralized finance (DeFi) and corporate blockchain solutions are analyzed, particularly the use of smart contracts and tokenization to enhance liquidity. The research results indicate that the implementation of blockchain can significantly reduce operational costs, enhance transaction transparency, and ensure the speed of financial settlements. In particular, blockchain shortens the T+2 settlement cycle to seconds, improving liquidity and efficiency in financial markets. The conclusion of the article offers recommendations for selecting blockchain platforms based on the needs of financial institutions. Key criteria such as confidentiality, scalability, transaction throughput, and compliance with regulatory requirements are discussed. The necessity of creating a unified regulatory framework to support the implementation of blockchain in finance is particularly emphasized. Future research prospects include the development of interoperability tools, enhancing the security of smart contracts, and long-term evaluation of the efficiency of blockchain solutions in production environments. Thus, blockchain is an important tool for the transformation of financial systems, ensuring a significant increase in their efficiency, resilience, and transparency.