This study intends to make clear some of the ambiguities around crucial perspectives of cryptocurrencies as cryptocurrencies have turned into more popular in recent years. As a result, the devotion of completing this study, which firstly aims to simplify the subject's difficult and perplexing phrases. From a conceptual, legal and technological standpoint, this article has been composed. It has been broken down into three sections: (1) the theory of cryptocurrency and the technologies that support it, along with all applicable terms and terminologies; (2) in the world of cryptocurrency, the linked mechanism and also how blockchain works, which needs simple and easy terminology and the procedure that goes in so blockchain network; (3) the lawful implications of cryptocurrencies. This section concentrates on the most challenging legal issues that this digital money raises. The legal aspect also emphasizes key results and recommendations for readers and authorities in order to help them in overcoming legal questions and achieving the technology's main objective, even while taking into consideration the risks associated with this virtual currency of exchange. In order to improve the current state of this type of technology, experts from all around the world have worked to reach and share their results, as well as their opinions and recommendations.