Bitcoin script: Alice is on a kayaking trip and is worried that her phone (which contains her private key) might fall overboard. She would like to store her bitcoins in such a way that they can be spent with knowledge of a password. Accordingly, she stores them in the following ScriptPubKey address: OP_SHA1 OP_EQUALVERIFY a. Write a ScriptSig script that will successfully redeem this transaction. [Hint: it should only be one line long.] b. Explain why this is not a secure way to protect bitcoins using a password. c. Would implementing this using pay−to−script−hash (P2SH) fix the security issue(s) you identified? Why or why not
Bitcoin script: Alice is on a kayaking trip and is worried that her phone (which contains her private key) might fall overboard. She would like to store her bitcoins in such a way that they can be spent with knowledge of a password. Accordingly, she stores them in the following ScriptPubKey address: OP_SHA1 OP_EQUALVERIFY a. Write a ScriptSig script that will successfully redeem this transaction. [Hint: it should only be one line long.] b. Explain why this is not a secure way to protect bitcoins using a password. c. Would implementing this using pay−to−script−hash (P2SH) fix the security issue(s) you identified? Why or why not
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Bitcoin script: Alice is on a kayaking trip and is worried that her phone (which contains her private key) might fall overboard. She would like to store her bitcoins in such a way that they can be spent with knowledge of a password. Accordingly, she stores them in the following ScriptPubKey address: OP_SHA1 OP_EQUALVERIFY a. Write a ScriptSig script that will successfully redeem this transaction. [Hint: it should only be one line long.] b. Explain why this is not a secure way to protect bitcoins using a password. c. Would implementing this using pay−to−script−hash (P2SH) fix the security issue(s) you identified? Why or why not?
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