Are crypto tokens real?

As a keen observer of the ever-evolving financial landscape, I must ask: Are crypto tokens really a tangible and legitimate asset class? With the meteoric rise and subsequent volatility of cryptocurrencies like Bitcoin and Ethereum, it's hard to ignore the allure of digital tokens that promise unprecedented returns. But are they simply a speculative bubble, or do they have genuine value? Is there a solid foundation behind these digital assets, or are they mere shadows of traditional financial instruments? As an expert in the field, I'm eager to understand the nuances and realities surrounding crypto tokens.