Origin and Functioning of Cryptocurrencies

Abstract

This research aims to analyze the nature, technological foundations, and evolution of cryptocurrencies within the financial system, as well as their global market reach. It examines their historical origins linked to the 2008 financial crisis, describes their operational pillars (blockchain, cryptography, and consensus mechanisms), and analyzes the factors that determine their value. The relationship between market capitalization, technical design (including supply limits), and use cases of the ten leading cryptocurrencies (Bitcoin, Ethereum, Tether, XRP, BNB, Solana, USD Coin, Dogecoin, Cardano, and TRON) is explored. The research identifies those cryptocurrencies do not constitute a homogeneous category but are classified according to their function, which can be a means of payment, infrastructure, or service, directly influencing their valuation. It is also highlighted that the market is clearly hierarchical and segmented by the function of each one, Bitcoin as a store of value (fixed supply: 21M), Ethereum as programmable infrastructure, and stable coins (USDT, USDC) as pillars of liquidity (no supply limit). Market capitalization and circulation directly reflect adoption and perceived utility. It is concluded that, despite the challenges, cryptocurrencies represent a transformative financial innovation. Their consolidation will depend on technological maturation, widespread adoption, and the development of regulatory frameworks that balance innovation with user protection and system stability.