Chapter 5 assessment 4

1. What are the values which together comprise the 'outpoint'?

   • The parent TXID and the input's index number in the current transaction

   • The parent TXID and the index number of the output in the parent transaction <-

   • The current TXID and the input's index number in the current transaction

   • The current TXID with the index of the output from the parent transaction

2. What is the maximum possible length of a scriptPubKey?

   • 65,535 bytes (2^16 - 1)

   • 4,294,836,225 bytes (2^32 - 1)

   • 18,446,744,073,709,551,615 bytes (2^64 - 1) <-

   • There is no limit

3. What is the format of the nValue parameter?

   • It is a 4 byte integer

   • It is an 8 byte integer <-

   • It is a varInt

   • It is a floating point value where 1.00000000 is equivalent to 1 Bitcoin

4. How many times can a transaction input's nSequence number be updated?

   • Just once

   • Up to 65,535 times

   • Up to 4,294,836,255 times <-

   • There is no limit