BLOCKCHAINF practice question 9 of 15
Once a record has been added to a Blockchain it can be altered.
Choose your answer, then check it against the explanation.
Once a record has been added to a Blockchain it can be altered.
Question 9 of 15
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Other BLOCKCHAINF practice questions
- Question 1What is a private Blockchain used instead of a public one?
- Question 2Which of the following statements sums up the Proof of Work consensus process?
- Question 3What do consensus methods achieve?
- Question 4Blockchains work best when they are____________________.
- Question 5The transaction hash contained in a block is the______________.
- Question 6The Blockchain ledger is commonly referred to as___________.