Blockchain 1_ Assignment 9

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Lamar University *

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5370

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Computer Science

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Feb 20, 2024

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Uploaded by JusticeMinkMaster947

MISY 5350 ERP E-Commerce Blockchain Assignment 1 After reviewing the slides and watching the videos on Blockchain in this week’s module, answer the following questions in a Word document: 1. How large is the set of inputs to a hash function? (3 pts) The hash function for the inputs can be any length. It has infinite possible way to enter the hash function. 2. How large is the set of outputs from a hash function? (3 pts) It is fixed for the outputs for the hash function. It means fixed length number of possibilities for the outputs. 3. Is it easy to find two different inputs that can yield the same hash? (3 pts) Theoretically is it possible to find two different inputs that yield the same hash. However, it is difficult for well-designed and large hash function. 4. Go to https://andersbrownworth.com/blockchain/hash to enter the data: Alice sends Bob a token What are the last three characters of the hash? (3 pts) The last three characters of the has are 116. 5. Go to the Block tab to enter the same data: Alice sends Bob a token After clicking the “Mine” button , what is the last three characters of the hash? (3 pts) The last three characters are d75. 6. When generating the last hash (using the Block tab), what information was added besides “ Alice sends Bob a token ” (when compared to the first hash)? What is the purpose of that? (5 pts)

Block – 1 Nonce – 29675 A blockchain's hash function is used to provide a digital fingerprint of the data kept in each block by the chain. The hash of each block in the chain is determined by running the data in the block through the hash function. Each block in the chain comprises a set of transactions. A block's and its contents are uniquely identified by the generated hash. Submit your Word Document with your answers before the due date. https://komodoplatform.com/en/academy/cryptographic-hash-function/#:~:text=As %20noted%20above%2C%20the%20inputs,entered%20into%20a%20hash %20function . https://www.bitpanda.com/academy/en/lessons/what-is-a-hash-function-in-a- blockchain-transaction/

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