Cryptocurrencies have become one of the most significant phenomena of the 21st century, transforming not only financial systems but also the very understanding of money. They exist in the digital space, devoid of physical form and central control, yet capable of influencing global markets and politics. The world of cryptocurrencies represents a complex ecosystem where technology, economics, and sociology intertwine into a single phenomenon. The Origin of Digital Money The history of cryptocurrencies begins with the concept of decentralized finance, an idea that emerged in the late 20th century. For a long time, economists and engineers dreamed of creating an exchange system independent of banks and governments. But it was only in 2008 that a document appeared that marked a new era. An unknown person or group under the pseudonym Satoshi Nakamoto published a manifesto describing a system called Bitcoin. Bitcoin became the first cryptocurrency to operate on blockchain technology. Blockchain is a decentralized database where each transaction is recorded in a chain of blocks and protected by cryptographic methods. Thus, the system does not require intermediaries, and its resilience is ensured by the network of participants. The launch of Bitcoin in 2009 was a revolution: for the first time, digital money gained the trust of users. In the early stages, they were worth a fraction of a cent, but as interest grew and technology spread, their price began to rise. This gave rise to an entire industry where today thousands of cryptocurrencies are traded. Bitcoin — A Symbol of the Digital Era Bitcoin is not only the first but also the most recognizable cryptocurrency in the world. Its market capitalization exceeds that of entire national currencies, and fluctuations in its price have become the subject of economic forecasts and media discussions. Unlike traditional money, the number of bitcoins is limited — there may be no more than twenty-one million. This principle of scarcity ... Read more