
What are the layers of blockchain?
I'm interested in understanding the structure of blockchain technology. Specifically, I want to know about the different layers that constitute a blockchain and how they interact with each other.


Is ethereum a public or private blockchain?
I am trying to understand the nature of Ethereum blockchain. I want to know whether Ethereum is a public blockchain accessible to everyone or a private one restricted to certain users.


How to buy crypto on blockchain?
I'm interested in purchasing cryptocurrency using blockchain technology, but I'm not sure how to do it. Can someone guide me through the process of buying crypto on the blockchain?


What is the cheapest gas fee in blockchain?
I want to know which gas fee is the cheapest in blockchain technology. I'm looking for the most economical option when it comes to paying transaction fees on the blockchain.


How do I fix blockchain error?
I'm encountering a blockchain error and I'm not sure how to resolve it. I need help with fixing this issue so that I can continue with my blockchain operations smoothly.
