Cryptocurrencies are no longer just the future; they have become the present and an integral part of many people's lives, serving as one of the main investment avenues. This paper systematically explores and analyzes complex issues related to the legal framework of cryptocurrencies, with a special focus on the fundamental technology - blockchain. It also mentions aspects of the economy and the impact of cryptocurrencies. As a digital form of money, cryptocurrencies represent an innovative solution that significantly influences financial systems and the global economy. However, the rapid development in this field poses numerous challenges and questions that demand appropriate legal regulations. Relevant legal documents, laws, and regulations will be analyzed in the context of [country/region] to provide a comprehensive overview of the current state of the legal framework for cryptocurrencies. It is evident that the legal regulation of cryptocurrencies still lags behind their fast technological evolution, leading to legal uncertainty and a lack of consistency in interpretation. Particular attention will be given to blockchain technology as the foundation of cryptocurrencies. Being a distributed and transparent ledger of transactions, blockchain enables secure and confidential exchange of digital assets. However, the usage of blockchain technology in the crypto ecosystem also raises legal issues concerning privacy, digital identities, smart contracts, and other aspects. The objective of this research is to identify shortcomings in the existing legal framework and provide guidelines for further regulation of cryptocurrencies. This analysis emphasizes the need for a consistent and inclusive approach to ensure the protection of users and investors, prevent fraud, and combat financial crime. Additionally, the study highlights the importance of education and awareness among the public and regulators to better understand the potentials and challenges of cryptocurrencies.