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Blockchain 4 Youth - Module 1 Introduction to Blockchain
Thank you for joining the Bitget Blockchain 4 Youth Academy Course. We would like to invite you to take the test in order to obtain a Certificate of Completion.
Review these courses in Module 1:
Blockchain 101: Blockchain Basics
How does Blockchain technology change the world?
Top Key Features That Make Blockchain Technology Popular
What is the value of Blockchain?
You must score at least 80% in this test to qualify for a Certificate of Completion.
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1. What is the underlying technology behind cryptocurrencies?
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Smart Contracts
NFTs
Blockchain
Digital Tokens
2. What is the main advantage of NFTs?
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They are derived from a feature born on Ethereum
They can represent real-world items like artwork and real estate
They are aimed for facilitating real-world transactions via decentralized technology
They represent an underlying asset, which therefore exists in "real life", outside the "internet"
3. What are Smart Contracts?
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Contracts that rely on NFTs technology to make their terms and conditions of execution unforgeable
Contracts that rely on Digital Tokens technology to make their terms and conditions of execution unforgeable
Contracts that rely on Blockchain technology to make their terms and conditions of execution unforgeable
Contracts that rely on DAOs technology to make their terms and conditions of execution unforgeable
4. What is the goal of using smart contracts?
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To increase costs related to the presence of intermediary actors within a transaction process
To reduce the costs related to the presence of intermediary actors within a transaction process, while defining a new mode of governance considered more fair and ethical
To make transactions less secure with a contract based on strict conditions
To decrease transparency by making information 100% accessible
5. What is a DAO?
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A decentralized digital currency
A digital token aimed for facilitating real-world transactions via decentralized technology
An entity powered by a computer program that provides automated governance rules to a community
A data storage technology that prevents anyone from changing the data stored on the Blockchain
6. Who introduced the concept of Blockchain technology in 1991?
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Hal Finney
Vitalik Buterin
Stuart Haber and W. Scott Stornetta
Satoshi Nakamoto
7. What was the significant step towards Bitcoin invented by Hal Finney in the 1990s?
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The invention of Blockchain technology
The creation of Bitcoin
The introduction of Reusable Proof-of-Work (PoW)
The development of smart contracts
8. What is the innovation of Ethereum?
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The introduction of smart contracts
The development of Bitcoin
The creation of Reusable Proof-of-Work (PoW)
The implementation of a centralized organization
9. What is the role of Ether (ETH) in the Ethereum network?
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It is used to verify transactions in the network
It is used to pay for the computational power spent on executing smart contracts
It is used to create new blocks in the Blockchain
It is used to prevent the data and documents being backdated or distorted
10. What is the future of Blockchain technology?
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The development of Blockchain 3.0, which will see the greater board of usages of the Blockchain
The end of Blockchain technology due to the lack of interest
The continuation of Blockchain 2.0 without any significant changes
The implementation of centralized organizations in the Blockchain technology
11. What is a 51% attack?
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When 51 validators agree to validate a block
When a block is modified by 51 actors on a private blockchain
When 51% of the network is controlled by malicious actors
When 51 Bitcoin transactions are made in a block
12. What is the advantage of a centralized blockchain in terms of immutability?
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It is less expensive to reward validators
It is guaranteed by selected actors
It is more democratic
It is more resistant to censorship
13. What is the key feature that confirms the immutability of Bitcoin transactions?
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A signature of the previous block
A centralized system
The transparency of the network
The access to all Bitcoin transactions
14. What is the main difference between a private and less decentralized blockchain compared to Bitcoin?
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The transparency of the network
The access to all transactions
The restriction of access to transactions
The validation of blocks
15. What is the right balance that each blockchain project needs to find?
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Between decentralization and centralization
Between transparency and immutability
Between cost and efficiency
Between validation and censorship
16. What is a cryptocurrency?
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A type of art
Decentralized digital money
A decentralized platform for content creation
A program stored on a blockchain
17. Which is the second most used blockchain after Bitcoin?
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Sorare
CryptoPunks
Ethereum
Solana
18. What are NFTs?
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Non-Fungible Tokens
Non-Fungible Trades
Network-Facilitated Tokens
None of the above
19. Which is the NFT project that involves pixelated faces with unique combinations of traits and was given away for free in 2017?
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EVERYDAYS: THE FIRST 5000 DAYS by Beeple
Sorare
CryptoPunks by Larva Labs
None of the above
20. Which of the following is NOT a possible use case for a DApp?
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Content creation and management
Solar energy exchange through smart grids
Computing power allocation to avoid expensive servers
Traditional centralized banking services
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