Beginner
Blockchain & Web3
Q22 / 100
What does it mean for blockchain transactions to be "immutable"?
Correct! Well done.
Incorrect.
The correct answer is A) Once a transaction is confirmed and added to the blockchain, it cannot be altered or deleted
A
Correct Answer
Once a transaction is confirmed and added to the blockchain, it cannot be altered or deleted
Explanation
Because each block is cryptographically linked to the previous one and replicated across many nodes, altering a past transaction would require redoing all subsequent blocks across the network.
Progress
22/100