101Blockchain.net - Interactive Blockchain Learning

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Test your understanding of Bitcoin transaction structure and validation

All Quizzes Start Lesson

Question 1

What are the main components of a Bitcoin transaction?

Only sender and receiver addresses Inputs, outputs, and transaction metadata Just the amount being sent Public key and signature only

Question 2

What is a UTXO in Bitcoin?

Unspent Transaction Output Universal Transaction Ordering User Transaction Object Unified Transfer Operation

Question 3

How does Bitcoin handle 'change' in a transaction?

Change is lost An output is created back to the sender's address Change is given to miners Transactions must use exact amounts

Question 4

What is a transaction fee in Bitcoin?

A fixed government tax The difference between total inputs and total outputs 10% of the transaction amount A penalty for invalid transactions

Question 5

What validates a Bitcoin transaction?

Only the sender's approval Digital signatures proving ownership of inputs The amount being transferred The receiver's confirmation

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