Font size
WorksheetsBlockchain Development SoC Selection Quiz
Total questions: 14
Worksheet time: 6mins
This Quiz contains 13 questions of which the last 3 are bonus questions.
Time for each question is roughly 30 secs
(I Recommend reading the article sent on mail (~15-18 mins) before giving the quiz).
To proceed mark your name(roll no.) in the blank below { Eg: PragyeshGupta(200020094) }
(a)
All blockchains are ___ impenetrable. They are distributed ledgers that use code to create the security level they have become known for.
100%
Not 100%
A blockchain consists of some programs that conduct the tasks usually happening in a database: Entering and accessing information and saving and storing it somewhere. What is that program called?
Message
Ledger
Script
Libretto
New blocks are always stored linearly and chronologically. That is, they are always added to the “end” of the blockchain. After a block has been added to the end of the blockchain, previous blocks _____
can not be changed
can be sometimes modified but generally aren't
are prone to being tampered with
can be difficult to change but not always
The Ethereum network randomly chooses ____ validator(s) from all users with ether staked to validate blocks, which are then confirmed by the network.
one
two
three
five
Tell whether the following statement is true or false:
Anyone or anything can participate in Bitcoin’s network with no identification. In theory, even an entity equipped with artificial intelligence could participate.
True
False
Sharding is to be incorporated in the upcoming update of Ethereum. Which of the following are true regarding Sharding
It is a splitting of the database so that more devices (phones, tablets, and laptops) can run Ethereum.
This is expected to increase network participation and reduce congestion,
Sharding is also expected to increase transaction speeds.
All of the above
Which company has had its applications of Blockchain as food safety tracking in its supply chain (mark you answer by entering in capital letters only)
(a)
State whether the following statement is true or false:
Blockchain can also give those in countries with unstable currencies or financial infrastructures a more stable currency and financial system.
True
False
What is a smart contract?
A smart contract is a self-executing contract with the terms of the agreement between buyer and seller being directly written into lines of code.
A smart contract is a computer code that can be built into the blockchain to facilitate a contract agreement. Smart contracts operate under a set of conditions to which users agree. When those conditions are met, the terms of the agreement are automatically carried out.
Smart contracts are simply programs stored on a blockchain that run when predetermined conditions are met.
All are correct
Blockchain networks like Bitcoin are
fully anonymous
are actually pseudonymous but there's no specific reason as to why so
are actually pseudonymous because there is a viewable address that can be associated with a user if the information gets out
None of the above
These are examples of Blockchain applications that can be adopted.
Metaverse
Smart Contracts
Non-Fungible Tokens
Atmosphere
Decentralized blockchains are immutable?
True
False
Can be True and False
Cannot say
What is a miner?
A type of blockchain
An algorithm that predicts the next part of the chain
A person doing calculations to verify a transaction
Computers that validate and process blockchain transactions
