#TradingTypes101

Cryptocurrencies are considered one of the most significant technological innovations of the last decade, relying on blockchain technologies to ensure security and transparency in transactions. With the growing use of cryptocurrencies in various fields such as e-commerce, decentralized finance (DeFi), and smart contracts, several challenges have emerged related to price volatility, regulatory frameworks, and the security of digital wallets.

Briefly discuss the concept of cryptocurrencies and their main advantages. Then, explain the most important challenges facing their global adoption and expansion, providing recent examples where possible.