Ethereum is more expensive than Solana mainly for a few reasons:

1. **Scope and Popularity**: Ethereum is the first blockchain platform to enable smart contracts and decentralized applications (dApps). With its long-term existence and widespread popularity, Ethereum has built a large community and ecosystem, including many outstanding projects.

2. **Security and Decentralization**: Ethereum uses a Proof-of-Work (PoW) consensus mechanism (and is gradually moving to Proof-of-Stake, PoS), providing a level of security and decentralization. Higher level. Maintaining a decentralized and secure network requires higher costs.

3. **Developers and Infrastructure**: Ethereum has a large number of developers and projects operating on its platform. The variety and number of decentralized applications and smart contracts running on Ethereum contribute to its value.

4. **Interoperability and standards**: Ethereum was the first to establish token standards such as ERC-20 and ERC-721, which underpin a variety of tokens and NFTs. The popularity of these standards increases the value of Ethereum.

5. **Investment and trust**: With its early birth and widespread popularity, Ethereum has attracted many large investors and the trust of the community. This drives its value higher.

While Solana may be superior in terms of transaction speed and lower transaction fees, Ethereum remains strong thanks to the factors mentioned above. Solana may have the edge in performance and cost, but Ethereum has the edge in stability, security, and community.$ETH $SOL