Chapter 3 assessment 5

Assessment

1. Which set of inputs will not solve the following script? OP_DEPTH OP_3 OP_EQUAL OP_IF OP_ADD OP_ADD OP_ELSE OP_DEPTH OP_2 OP_EQUAL OP_IF OP_MUL OP_ELSE OP_10 OP_DIV OP_ENDIF OP_ENDIF OP_16 OP_EQUAL

• 0x04 0x08 0x04

• 0x04 0x04

• 0x12 0x02 0x02

• 0xA0

1. Which opcodes are needed to fill in the blanks for the following script to solve correctly when the input 0x0102030405060708 is used? OP_3 OP_SPLIT OP_1 OP_SPLIT OP_SWAP OP_DUP OP_DUP OP_CAT OP_CAT ______ OP_ADD OP_3 OP_SPLIT OP_SWAP ______

• OP_OVER, OP_GREATERTHAN

• OP_ROT, OP_EQUALVERIFY

• OP_NIP, OP_EQUAL

• OP_MAX, OP_GREATERTHAN