Final Assessment

Bitcoin comes under which type of DLT?

• Public

• Private

• Consortium

• Permissioned

What is the maximum number of Bitcoins that can be created?

• 51 Million

• 16 Million

• 21 Million

• 20 Million

Genesis block refers to the _____.

• Last block created in the blockchain.

• First block in the blockchain.

• Largest block in the blockchain.

• Smallest block in the blockchain.

Which of the following is not a consensus algorithm?

• Proof of Work

• Proof of Time

• Proof of Stake

• Proof of Authority

The Two General’s Problem can be solved using the PBFT consensus algorithm. (True/False)

• True

• False

According to blockchain transaction flow, when a node in a blockchain network receives a transaction it will first,

• Last block created in the blockchain.

• First block in the blockchain.

• Largest block in the blockchain.

• Smallest block in the blockchain.

Hyperledger Grid is a framework which provides a platform for ________

• Identity Management

• Supply chain solutions

• Payment solutions

• Asset management

Which of the following node maintains a complete copy of the blockchain?

• Miner node

• Lightweight node

• Router node

• Full node

In PoW, the concept of _________ is introduced, in order to adjust the puzzle-solving time.

• Verify the transaction

• Supply chain solutions

• Payment solutions

• Asset management

Which of the following statement is true?

• In a private blockchain network, anyone can join the network.

• Blockchain is not a peer to peer network.

• A hashing algorithm always produces the same output for the same set of input.

• It is possible to trace back the private key from the given public key.