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WorksheetsBlock Chain, Crypto Currencies and Bitcoin
Total questions: 10
Worksheet time: 17mins
What is a continuously growing list of records which are linked and secured using cryptography?
a chain
a block
a blockchain
a cryptocurrency
Which of the following is popularly used for storing bitcoins?
wallet
box
stack
What does the block in the blockchain consist of?
Transaction data
A Hash point
A Timestamp
all of these
All blocks contain a link to the previous block, except for:
Block number 24601.
First block
thethird block
The second block.
This person invented Bitcoin.
Donald Trump
Sung Sam
Satoshi Nakamoto
Elon Musk
Which is the Safest ledger?
Centralized Ledger
Decentralized Ledger
Distributed Ledger
Genral Ledger
How long does it take to mine a bitcoin?
100 Minutes
1200 Minutes
10 Minutes
1/10th of a hour
"New bitcoins are generated by a competitive and decentralized process called "mining"." (Just for Information you can write whatever you want in the box you will get it right!)
