BLOCKCHAIN Questions:

1. Blockchain is a peer-to-peer _____________ distributed ledger technology that makes the records of any digital asset transparent and unchangeable.
a)Decentralized
b)Demanding
c)Secure
d)Popular
2. Blockchain networks are much _____ and deal with no real single point of failure.
a)Simpler
b)Easier to scale
c)Convenient
d)Faster
3. Bitcoin is a cryptocurrency, which is an application of Blockchain.
a)True
b)False
4. Blockchain can perform user transactions without involving any third-party intermediaries.
a)With the help of the third party
b)Without involving any third party
c)Without involving any owned
d)Without involving any authenticated
5. What does P2P stand for?
a)Peer to Peer
b)Product to Product
c)Password to Password
d)None of the above
6. Blockchain has ____ versions.
a)2
b)3
c)4
d)5
7. Who introduced the digital online cryptocurrency known as Bitcoin?
a)Satoshi Nakamoto
b)Nick Szabo
c)Wei Dai
d)Hal Finney
8. A blockchain enables peer-to-peer transfer of digital currency without any intermediaries such as banks.
a)False
b)True
9. Did Blockchain enable a centralized or a decentralized system for the exchange of value?
a)Decentralized
b)Centralized
c)None of the above
d)Can't say
10. What does a block in a Blockchain have?
a)Header & Digital ledger
b)Bitcoins & Input
c)Transactions & Bitcoins
d)Header & Transaction
11. What does UTXO stand for?
a)Unspent Trade Offer
b)Unspent Transaction xeroxed Output
c)Unique Transaction Offer
d)Unspent Transaction Output
12. Does a transaction generate new UTXOs for transferring the amount specified in the input UTXOS?
a)False
b)True
13. Transaction 0 in every block of the bitcoin blockchain________.
a)Is for paying the miner fees
b)Does not have any input UTXO
c)Is called the coinbase transaction
d)All of the above
14. What is the genesis block?
a)Any block created by the founder
b)The last block created in the Blockchain
c)The first block of a Blockchain
d)The first transaction in each block
15. ___ hosts the software needed for transaction initiation, validation, mining, block creation, and smart contract execution.
a)External Account
b)EVM
c)Ethereum full node
d)Smart Contract