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15 Questions

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Bitcoin Block Structure Quiz

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Questions and Answers

Which section of a Bitcoin block contains the data for all of the transactions?

Transaction Data (correct)

Coinbase transaction

Block Header

Number of Transactions

What is the purpose of the Block Header in a Bitcoin block?

To link the blocks together

To indicate the number of transactions

To store the Coinbase transaction

To identify the block quickly (correct)

Which part of the Block Header is of particular interest to an investigator?

Previous Block Hash (correct)

Number of Transactions

Timestamp

Coinbase transaction

What does the timestamp in the Block Header indicate?

The latest time the transactions were broadcast Signup and view all the answers

In what format is Bitcoin block data ordered?

Little Endian Signup and view all the answers

What is the purpose of reversing the order of bytes in little endian format?

To read the data correctly Signup and view all the answers

How is a number stored in big endian format?

From left to right Signup and view all the answers

Which of the following is true about little endian?

The least important part is written first Signup and view all the answers

What is the representation of the byte sequence 1234 in little endian?

4-3-2-1 Signup and view all the answers

How can you convert between big and little endian?

Reverse the sequence of bytes Signup and view all the answers

What does the Previous Block Hash represent in a block header?

The hash of the previous block Signup and view all the answers

What is the purpose of the Merkle Root in a block header?

To verify the validity of the block Signup and view all the answers

What is the significance of the Time Stamp in a block header?

It represents the time at which the block was mined Signup and view all the answers

What is the hex representation of the unix time stamp 1432723472?

5565a010 Signup and view all the answers

What is the purpose of detecting and verifying Multi-Sig addresses?

To provide greater traceability on the blockchain Signup and view all the answers