The evolution of the value of Ethereum (ETH) is a fascinating topic. Looking back at its development history, we can see that its initial price was only $0.3. However, after nearly a decade of development, its value has undergone a tremendous change.

Assuming we consider a conservative annual growth rate of 30%, the value of Ethereum could theoretically have reached around 620 USD. However, the valuation of the cryptocurrency market often takes into account not only its actual value but also future potential and market expectations.

Based on the common price-to-earnings ratio of 30-50 times in the cryptocurrency market, the reasonable price range for Ethereum may be between $1800 and $3000. This valuation range reflects the market's optimism about the future development of Ethereum's technology and ecosystem.

Of course, this is just a rough estimate. In reality, the price of cryptocurrency is influenced by a variety of factors, including technological advancements, market sentiment, regulatory environment, and more. Investors should comprehensively evaluate these factors when considering investments in Ethereum, rather than relying solely on simple mathematical calculations.

As a leader in smart contract platforms, Ethereum's value is reflected not only in its coin price but also in the wide range of applications it supports and its continually expanding ecosystem. With the advancement of Ethereum 2.0 and the development of Layer 2 solutions, we may see it create even more value in the future.