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WorksheetsBlockchain
Total questions: 10
Worksheet time: 10mins
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
