Blockchain
Quiz
Elia Ferri and Marco Galassi
start
Question 1/5
What is the main purpose of blockchain?
record and validate transactions securely and transparently.
The blockchain is designed to store only personal data.
Blockchain is primarily used to record and validate transactions in a secure and transparent manner
Rightanswer!
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Question 2/5
What does the term "mining" mean in blockchain?
The process by which transactions on the blockchain are confirmed and recorded by solving complex mathematical problems.
Is a method of extracting natural resources such as gold and silver using blockchain technology.
Mining is the process by which transactions on the blockchain are confirmed and recorded by solving complex mathematical problems.
rightanswer
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Question 3/5
What is the main feature of blockchain that makes it resistant to manipulation?
Blockchain is resistant to manipulation thanks to the symmetric key cryptography used to protect data.
The data is distributed across many network nodes rather than being controlled by a single central entity.
The main feature is decentralization, which means that data is distributed across many network nodes rather than being controlled by a single central entity.
Rightanswer!
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Question 4/5
What are “smart contracts” in blockchain?
Smart contracts are a form of paper contracts physically signed between the parties involved.
are self-executing computer protocols that facilitate, verify, or enforce the negotiation or execution of a contract.
Smart contracts are self-executing computer protocols that facilitate, verify, or enforce the negotiation or execution of a contract.
rightanswer
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Question 5/5
What is the difference between public and private blockchains?
Public blockchains are accessible to anyone while private blockchains are controlled by an organization and may have limited access.
Public and private blockchains differ only in the type of encryption used to protect data.
Public blockchains are accessible to anyone and can be controlled by all participants in the network, while private blockchains are controlled by a specific organization and can have limited access.
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Answers
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1/5
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5/5
Mining is the process by which transactions on the blockchain are confirmed and recorded by solving complex mathematical problems.
The main feature is decentralization, which means that data is distributed across many network nodes rather than being controlled by a single central entity.
Blockchain is primarily used to record and validate transactions in a secure and transparent manner.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam fringilla dolor at libero faucibus mattis.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam fringilla dolor at libero faucibus mattis.
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Blockchain QUIZ
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Created on February 26, 2024
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Transcript
Blockchain
Quiz
Elia Ferri and Marco Galassi
start
Question 1/5
What is the main purpose of blockchain?
record and validate transactions securely and transparently.
The blockchain is designed to store only personal data.
Blockchain is primarily used to record and validate transactions in a secure and transparent manner
Rightanswer!
next
Question 2/5
What does the term "mining" mean in blockchain?
The process by which transactions on the blockchain are confirmed and recorded by solving complex mathematical problems.
Is a method of extracting natural resources such as gold and silver using blockchain technology.
Mining is the process by which transactions on the blockchain are confirmed and recorded by solving complex mathematical problems.
rightanswer
next
Question 3/5
What is the main feature of blockchain that makes it resistant to manipulation?
Blockchain is resistant to manipulation thanks to the symmetric key cryptography used to protect data.
The data is distributed across many network nodes rather than being controlled by a single central entity.
The main feature is decentralization, which means that data is distributed across many network nodes rather than being controlled by a single central entity.
Rightanswer!
next
Question 4/5
What are “smart contracts” in blockchain?
Smart contracts are a form of paper contracts physically signed between the parties involved.
are self-executing computer protocols that facilitate, verify, or enforce the negotiation or execution of a contract.
Smart contracts are self-executing computer protocols that facilitate, verify, or enforce the negotiation or execution of a contract.
rightanswer
next
Question 5/5
What is the difference between public and private blockchains?
Public blockchains are accessible to anyone while private blockchains are controlled by an organization and may have limited access.
Public and private blockchains differ only in the type of encryption used to protect data.
Public blockchains are accessible to anyone and can be controlled by all participants in the network, while private blockchains are controlled by a specific organization and can have limited access.
rightanswer!
next
we are proud of you !
levelcomplete!
home
answers
Answers
3/5
2/5
1/5
4/5
5/5
Mining is the process by which transactions on the blockchain are confirmed and recorded by solving complex mathematical problems.
The main feature is decentralization, which means that data is distributed across many network nodes rather than being controlled by a single central entity.
Blockchain is primarily used to record and validate transactions in a secure and transparent manner.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam fringilla dolor at libero faucibus mattis.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam fringilla dolor at libero faucibus mattis.
home
Something is wrong!
wrong!
back