Just a few months ago, I had experience with Ethereum, and here I met the concept of gas for the first time. Bitcoin made everything simple - you just had to set the amount of the commission and wait for the transfer to complete. It takes a long time to get a small commission, whereas it takes a short time to get a large commission. Everything is not so simple with Ether. Having an ambiguous opinion about gas, I would like to know if there are any positive aspects to it?

Gas in Ethereum (ETH) refers to the fees required to process transactions and execute smart contracts on the blockchain. It has both positive and negative aspects.

Positive Aspects:
1. Network Security Gas fees prevent spam and ensure that only valid transactions are processed.
2. Resource Allocation Higher fees prioritize transactions, ensuring efficient use of network resources.
3. Encourages Decentralization Validators (formerly miners) to earn rewards, maintaining Ethereum’s decentralized nature.

Negative Aspects:
1. High Costs During congestion, gas fees can become expensive, making Ethereum less accessible.
2. Scalability Issues High fees can discourage small transactions, limiting adoption.
3. Unpredictability Fluctuating gas prices create uncertainty for users and developers.

Ethereum 2.0 and Layer 2 solutions aim to reduce these issues, improving efficiency and affordability.