All India

Blockchain

Blockchain which is popularly known as ‘for the people, by the people and of the people” is – public


Mainly how many types of blockchains have emerged after bitcoin introduced blockchain to the world? – 3

Bankchain is an example of – private


Digital assets must always be tangible – False


Bitcoin network would make it impossible to bypass the traditional financial intermediaries – false


The three concepts used to explain the foundation of blockchain are – Ledger, Digital assets, business networks


Consortium Blockchain provides a faster and more protected ecosystem than a Private Blockchain – True


Private Blockchain is a de-centralized type of Blockchain? – false


BlockChain provides database of every transaction involving value – open decentralized


The value of coins ( litecoin, bitcoin) is the same at a particular time – false


The two types of cryptography are – Asymmetric and Symmetric

We can buy cryptocurrency – false

Encryption reduces data security – false


The value of cryptocurrency is independent of market conditions such as supply and demand – false

Name the first cryptocurrency with computing power contribution? – gridcoin

Encrypted text is also known as – Cipher Text


HASH can be used to validate the input? – true


Which among the following is the most flexible cryptocurrency? – litecoin


We may use bitcoin for purchasing merchandise as well? – true


The higher the computational power, the lower is the difficulty in mining – false


The rate of generation of new bitcoins is constant – false

The output of Hashing is popularly known as – digest


Bitcoins can be purchased in exchange of services – true

Which among the following are the advantages of using Bitcoin – All


The sender and the receiver in a transaction provide miners with a fee – false


Which platform could gain its best use case from the financial service industry? – R3 Corda


Ether provides greater flexibility than Bitcoin does – true


The first smart contract platform is – Ethereum

Which of the following platform(s) provides a modular architecture? – Hyperledger


New bitcoins are released every time a transaction is verified – true


Which platform could gain its best use case from supply chain industry? – hyerledger


Ethereum is a digital currency- false


Number of bitcoins to be ever created would depend upon demand-supply in the market? – false


records all the transactions in a blockchain. – block

A transaction without verification in bitcoin could be fastest accomplished in how much time? – Instantaneous

One bitcoin could be divided down to _ decimal point – 8

Smart Contracts are reversible – false

One symbol could be substituted with a key using substitution cipher – false

Blockchain could soon replace central banks – true

Blockchain could prevent robustness and transparency in the post – trade environment – true

China and Russia were amongst the first few countries to promote bitcoin in their economy? – false

Both _ and automatically check your previous transactions to make sure you have enough bitcoins to send – (wrong – minors and Users)


Bitcoin is an example of which type of blockchain? ( Private is wrong)


Currencies other than Bitcoin such as Litecoin and Dash are popularly known – Cryptocurency


In asymmetric key cryptography, the private key is kept by _. Receiver

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