What are the 2 types of records that are present within the blockchain database?
What are the key elements of the blockchain ecosystem? Explain each of them briefly?
What do you understand by the security of a block?
Explain a proof of stake in a simple way?
What is the difference between wei and ether?
Give some examples of dapps?
What type of records blockchain supports?
What error will I get if I put multiple contract definitions into a single solidity file?
You mentioned something about indexes. What determines the account index?
How are merkle trees used in blockchains?
What is the difference between the distributed database and the traditional database?
When talking about “verifying” a transaction, what are miners verifying? Do they look at the transaction manually?
In your opinion, how great is the opportunity for food businesses to make blockchain a central part of their digitalization strategy? What challenges need to be overcome for market-wide adoption?
What is blockchain technology?
What are smart contracts in blockchain?