Can cryptocurrencies be used practically?
As a keen observer of the financial landscape, I often ponder about the practicality of cryptocurrencies. Could you elaborate on whether these digital assets can truly be utilized in our daily lives? Do they offer any real-world applications beyond just being a speculative investment? Are there any established businesses or services that accept cryptocurrencies as a form of payment? Additionally, what are the challenges that hinder the widespread adoption of cryptocurrencies, and how could these be overcome to increase their usability? Your insights into this intriguing subject would be greatly appreciated.