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Відповіді на вікторину BeUnstoppable
Рівень 1
Question 1: What does it mean for blockchain transactions to be transparent?Answer: Transaction history is public.
Question 2: Which blockchain allows for the creation of smart contracts?Answer: Ethereum.
Question 3: What was the primary motivation for creating smart contracts on Ethereum?Answer: To address Bitcoin's limitations.
Question 4: How do tokens differ from cryptocurrencies in their functionality?Answer: Governed by smart contracts.
Question 5: Which of the following is a token standard commonly used on the Ethereum blockchain?Answer: ERC20.
Question 6: Which characteristic makes Bitcoin a unique form of money?Answer: Fixed supply of 21 million coins.
Question 7: What is a significant characteristic of Bitcoin compared to legacy financial systems?Answer: Open access for all.
Question 8: In what way does blockchain democratize financial transactions?Answer: Equal rules for all participants.
Question 9: In a smart contract's transaction, what is required when transferring tokens from one wallet to another?Answer: Transaction fee in the base cryptocurrency.
Question 10: Which of the following is a fundamental principle of Bitcoin's structure?Answer: Decentralized control.
Question 11: Why is it important that blockchain records are held in thousands of locations simultaneously?Answer: Increases redundancy.
Question 12: Which statement about tokens is true?Answer: Tokens can exist on multiple blockchains.
Рівень 2
Question 1: Which of the following statements about private keys is true?
Answer: They grant control over cryptocurrency assets.
Question 2: What is the primary benefit of using encryption when backing up your mnemonic phrase online?
Answer: To secure the backup content from unauthorized access.
Question 3: What is the primary purpose of a non-custodial wallet app?
Answer: To securely store private keys.
Question 4: Which backup method is considered the least secure, according to many experts?
Answer: Cloud storage without encryption.
Question 5: What does 'multi-wallet capability' mean in a wallet app?
Answer: Ability to manage an unlimited number of multi-currency wallets.
Question 6: What is essential for securely backing up and recovering a non-custodial wallet?
Answer: Mnemonic phrase and passphrase.
Question 7: Why is cross-wallet interoperability important in a non-custodial wallet?
Answer: It facilitates easy migration between different wallet apps.
Question 8: What is one drawback of hardware wallets?
Answer: Complex to use.
Question 9: Which of the following is a benefit of using a longer mnemonic phrase?
Answer: Increased security for the stored assets.
Question 10: What is a key risk of vendor data leaks for hardware wallet users?
Answer: They expose users to phishing attacks.
Question 11: How can you identify a non-custodial wallet app?
Answer: It gives you a private key.
Question 12: What happens if you lose access to your private key?
Answer: You will lose access to your cryptocurrency.
Рівень 3
Question 1: What is the primary advantage of a non-custodial wallet being open- source?
Answer: Allows community verification of security
Question 2: What is a common risk when buying and using hardware wallets?
Answer: Purchasing from unauthorized resellers
Question 3: What is the primary risk of using an advanced mnemonic and passphrase setup?
Answer: Increased risk of forgetting the passphrase
Question 4: Why is storing backups online sometimes considered less secure?
Answer: Providers may lock you out of your account
Question 5: Which of the following is the main benefit of a Secure Enclave in a non-custodial wallet app?
Answer:Protection against malicious apps
Question 6: For wallets using both a mnemonic phrase and a passphrase, where is the passphrase ideally stored?
Answer: Separately from the mnemonic
Question 7: What is one key consideration when migrating Bitcoin wallets?
Answer: Choosing the correct address type is essential
Question 8: What is the purpose of duress mode in a non-custodial wallet?
Answer: Protect users under threat
Question 9: What is the main disadvantage of storing cryptocurrency on a centralized exchange?
Answer: Risk of losing funds in case of a security breach
Question 10: Which of the following wallets is considered the least secure?
Answer: Browser Based Non-Custodial Wallets
Question 11: What is a potential consequence if a hardware wallet vendor experiences a data breach?
Answer: Phishing attacks may occur
Question 12: What is the main security risk associated with custodial wallet providers?
Answer: They can restrict access to funds
Рівень 4
Question 1: What should a user do to ensure they are sending to the correct address?
Answer: Double-check the address before sending
Question 2: What is one simple precaution you can take to avoid the need to cancel a transaction?
Answer: Always double-check transaction details before sending.
Question 3: What is a recommended practice for maintaining privacy when using Bitcoin?
Answer: Use a new address for each transaction
Question 4: How can users can verify the status of their transactions?
Answer: On public blockchain explorers
Question 5: What role do transaction fees play in canceling a transaction?
Answer: Higher fees ensure prioritization.
Question 6: What primarily influences how long a transaction remains in the pending state?
Answer: Transaction fee set by the user
Question 7: How does a higher transaction fee affect the transaction confirmation time?
Answer: It speeds up the confirmation
Question 8: What must be done in non- custodial wallets to cancel a pending transaction?
Answer: Send a separate cancellation transaction.
Question 9: Who receives the transaction fees when you make a cryptocurrency transaction?
Answer: The miner who processes the transaction
Question 10: Which cryptocurrency was specifically designed with privacy as its primary feature?
Answer: Monero
Question 11: What characteristic is inherent in Bitcoin and Ethereum transactions?
Answer: Transparency of transaction details
Question 12: In a non-custodial wallet, who holds the authority to authorize a transaction?
Answer: The user with the private key
Рівень 5
Question 1: What happens if the original transaction is confirmed before the cancellation transaction is processed?
Answer: The cancellation transaction is rendered invalid.
Question 2: Which of the following is NOT true regarding cancellation transactions?
Answer: They guarantee the original transaction gets canceled.
Question 3: What happens if your set transaction fee is below the average fee of the network?
Answer: Your transaction may remain pending for a long time
Question 4: In which situation should you consider paying higher transaction fees?
Answer: When the network is experiencing high demand
Question 5: What can help improve the security and accuracy of sending high-value transactions?
Answer: Scanning the recipient's QR code
Question 6: What role do cryptocurrency transaction fees play in relation to blockchain network security and congestion?
Answer: They deter spam attacks
Question 7: Which of the following statements about transaction fees is TRUE?
Answer: Transaction fees create an open market for prioritizing transactions
Question 8: How are privacy features implemented in different blockchains within a multicoin wallet?
Answer: Each blockchain maintains its own independent privacy features
Question 9: Why is it important to understand transaction fees when using a non-custodial wallet?
Answer: Fees ensure quick transaction processing
Question 10: What primarily determines the transaction fees on a blockchain?
Answer: The current state of the network
Question 11: What should you do to mitigate privacy risks with Ethereum transactions?
Answer: Use separate wallets for different purposes
Question 12: What might happen if you consistently use the same address for Bitcoin transactions?
Answer: Your transaction history could be easily traced
