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WorksheetsBitcoin / Blockchain / Cryptocurrency
Total questions: 25
Worksheet time: 12mins
Bitcoin was launched in
2018
2015
2011
2009
The creator of Bitcoin is
Bill Gates
Satoshi Nakamoto
Steve Jobs
Mark Zuckerberg
A blockchain is
a chain of lego blocks
a National Bank database
a Chinese currency
a database with information on transactions
A blockchain is secured by
PIN code
'hash' code
password
login
A computer program that utilizes a blockchain for data storage, runs autonomously, is not controlled or operated from a single entitiy, is open source and has its use incentivized by the reward of fees or tokens.
Bitcoin
Blockchain
Cryptocurrency
Decentralized Application
Bitcoin was the first and is the most successful of all the cryptocurrencies. All the other coins are grouped together under this category.
Bitcoin
Altcoins
Cryptocurrency
Circulating Supply
A digital ledger of all the transactions ever made in a particular cryptocurrency and is repeatedly copied and saved onto thousands of computers all around the world, and it must always match each copy. As there is no master copy stored in one location, it's considered decentralized.
Cryptography
Blockchain
Bitcoin
Decentralized Application
The very first cryptocurrency. It was created in 2008 by an individual or group of individuals operating under the name Satoshi Nakamoto. It was intended to be a peer-to-peer, decentralized electronic cash system.
Crytocurrency
Altcoins
Blockchain
Bitcoin
The process of encrypting and decrypting information.
Decentralized Application
Cryptocurrency
Block
Cryptography
How long is Bitcoin's block time, in minutes?
1 minute
2 minutes
5 minutes
10 minutes
What is the current Bitcoin block reward?
50 BTC
25 BTC
12.5 BTC
6.25 BTC
Encryption process to control the creation of coins and to verify transactions is called ....
Cryptographic
Mining
Decentralization
Proof-of-work
What is a fiat currency?
Currency backed by a gold standard
A currency used to purchase a car
A currency backed by a physical commodity
A currency that is declared a currency by the government, although not backed by a physical commodity
Bitcoin’s all-time high was ______________ / BTC.
$22,984.30
$19,783.21
16,394.56
$13,098.49
What does the block in the blockchain consist of?
Transaction data
A Hash point
A Timestamp
all of these
Where is the bitcoin central server located?
none of the below
Washington DC
Tokyo
London
How many Bitcoins will
there ever be?
21 million in 2140
21 million in 2020
14 million 2015
23 million in 2140
How does one acquire
bitcoins?
As payment for goods or
services.
Purchase bitcoins at a
Bitcoin exchange.
Exchange bitcoins with
someone near you.
Earn bitcoins through
competitive bitcoin mining.
all of the above
People who update the blockchain are called:
workers
miners
losers
scientists
What is necessary for Bitcoin?
bank
internet
government
oxygen
Where was Bitcoin used to purchase items during an economic crisis?
Haiti
NIgeria
Russia
Venzuela
