Blockchain

Asymmetric encryption uses

• Public Keys only

• Private Keys only

• Public and Private Keys

• Proof of Stake

Bitcoin was first coined by

• Satoshi Nakamoto

• Blockchain

• Santhosh Samsung

• China

Maximum number of bitcoins that can be created

• 100 Million

• 12 Million

• 21 Million

• No Maximum

Each block of a Blockchain consists of which of the following?

• A hash pointer to the previous block

• Timestamp

• List of transactions

• All of the above

What is a genesis block?

• The first block of a Blockchain

• A famous block that hard coded a hash of the Book of Genesis onto the blockchain

• The first block after each block halving

• The 2nd transaction of a Blockchain

Once data entered into the blockchain can be

• Unchanged

• Modified

• Tampered

• Updated

Which feature is not supported by Blockchain Technology

• Distributed Peer to Peer Network

• Centralized Network

• Immutable Ledger

• Mining

Where is the bitcoin central server located?

• Washington DC

• Undisclosed Location

• London

• None of these

What is a blockchain?

• A distributed ledger on a peer to peer network

• A type of cryptocurrency

• An exchange

• A centralized ledger

Who is the creator of Ethereum?

• Vitalik Buterin

• Jihan Wu

• Satoshi Nakamoto

• Roger Ver