What is the difference between proof-of-work and proof-of-stake?

1

What is the difference between the distributed database and the traditional database?

1

What are the drawbacks of blockchain?

5

What type of records can be kept in a blockchain? Is there any restriction on same?

5

How you will handle the risk management when it comes to securing the transactions records?

5

Why does it cost money to invoke a method on a smart contract?

1

What is a nonce in a blockchain?

1

Which rpcs can you use to connect to a geth client over the network?

1

How do they differ from public blockchains?

1

What do you understand by blockchain?

1

What is the difference between bitcoin and blockchain?

1

Can you remove a complete block from a network?

1

Why is blockchain more trustworthy?

1

How double spending can be stopped in a blockchain?

5

What is secret sharing?

1