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WorksheetsBlockchain Quiz
Total questions: 15
Worksheet time: 3mins
On which system does Blockchain works?
Centralised system
Decentralised System
Validation, verification, immutable recording and ___ lead to trust and security.
Coins
Algorithms
Tokens
Consensus
Who introduced Bitcoin?
Satoshi Nakamoto
Wei Dai
Nick Sbazo
Hai Finney
A block in a blockchain has a header and ___
Digital Ledger
Inputs
Bitcoins
Transactions
What does UTXO stands for?
Unique Transaction Offer
Unspent Trade Offer
Unspent Transaction Xeroxed Output
Unspent Transaction Output
Miners are computers that execute___
Operations defined by users
Operations defined by blockchain protocol
Operations defined by transactions
The Algorithm for consensus in the Bitcoin blockchain is called ___ protocol.
Proof of elapsed time
Proof of work
Proof of worth
Proof of stake
What allows the execution of code in ethereum blockchain, enhancing the basic value transfer capability of Bitcoin blockchain?
EVM Proof of work
Smart Contracts
Solidity
Byte code
___ receive, verify, gather and execute transactions.
Smart Contracts
EVM
Miner nodes
Light wallets
___ is paid for the creation of a block
Receiver of transactions in the block
Miner of the block
All full nodes
Sender of transactions
What is one of the requirements of secure hashing function.
It is an ECC function
It is a one way function
It is a log function
It is a secret function
Digital signing of a transaction involves, hashing the content of the document and then___
Encrypting it with nance
Rehashing it
Encrypting it with public key
Encrypting it with private key
Which of these is a blockchain platform?
Hyper ledger fabric
Stellar
Tron
All of the above
Which of these companies is the leader in the Blockchain Technology?
Intellectsoft
Blockchangers
LeewayHertz
Chromaway
Which country is best for crypto currency?
Germany
India
Singapore
El Salvador
