Tell us the principle behind blockchain technology and how many types of it are available?

1

What is blockchain?

1

Is it possible to switch the data once it’s written in an exceeding block?

1

Why we need different consensus mechanisms?

1

How is smart contract development related to blockchain technology?

5

Name some popular platforms for developing blockchain applications

5

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

5

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

1

Is blockchain an incorruptible ledger?

5

Can blockchain be hacked?

5

How would you differentiate bitcoin blockchain and ethereum blockchain?

1

What is a dapp and why is it different than a normal app?

1

Can blocks be removed from a blockchain?

5

How useful is blockchain to digital protection and cybersecurity?

5

How important are merkle trees in blockchains?

1