This article discusses the evolution of digital and cryptocurrencies as a modern alternative to traditional money, aimed at facilitating financial transactions and reducing costs without the need for intermediaries or central banks. It clarifies the difference between digital currency and cryptocurrency, focusing on encryption systems and blockchain technology, which provide security, decentralization, and transparency. It also highlights Bitcoin as the first and most famous cryptocurrency, characterized by its limited supply and value driven by supply and demand. The article reviews the reasons for Bitcoin's popularity, such as speed, low transfer costs, privacy, and its independence from government or bank control. Conversely, it points out associated risks, such as sharp price volatility, transaction finality, and security and tax risks. It also covers how Bitcoin operates and the peer-to-peer system that allows for direct trading between parties. Expert opinions and forecasts are presented, suggesting continued growth in Bitcoin's price after surpassing $87,000, with optimistic projections for reaching record levels in the future. The article concludes by emphasizing that Bitcoin has become an essential part of the digital financial system and that ignoring it is no longer an option in light of the global shift toward digital assets, especially with positive expectations for 2026.
