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Digital Currency (GCSE Computing)
The following is a GCSE Computing test covering 'Digital Currency' from the broader topic 5. The Internet And Its Uses. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.Incorrect: 0
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What is a “hot wallet”?
Which of these is a common use of blockchain beyond currency?
Which of the following best explains “smart contracts”?
How can users reduce the risk of losing access to their cryptocurrency?
Which of these is a common risk when using online cryptocurrency exchanges?
Which consensus method requires miners to solve difficult computational puzzles and consumes significant electricity?
What is meant by “decentralization” in the context of digital currencies?
What does “gas” refer to on the Ethereum network?
Which term describes a cryptocurrency designed to keep sender and recipient identities hidden or private?
What is the usual name for a purely digital form of money that can be used online and is not issued by a central bank?
Which function does hashing serve in many cryptocurrency systems?
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