精華區beta NTU-Exam 關於我們 聯絡資訊
課程名稱︰比特幣及數據分析 課程性質︰選修 課程教師:廖世偉 開課學院:電資學院 開課系所︰資工所 考試日期(年月日)︰2015.11.13 考試時限(分鐘): 試題 : 1. [8%] What advantages does a "decentrialized" system have? 2. [8%] Explain the difference between permissioned distributed ledger and permissionless distributed ledger. 3. [8%] Describe the relation between private key, public key, public key hash, and address. 4. [8%] Without using a block explorer, how to find out the sender's address through a given transaction hash? (Hint: The rpc "getrawtransaction" can get the transaction's raw data.) 5. [3%] (a). What is UTXO? [5%] (b). How does wallet-software get the balance of an address? 6. [10%] Describe how Bitcoin verify transaction's inputs. (Hint: Locking Script and Unlocking Script) 7. [3%] (a). Given a Transaction, how can we get its fee? [5%] (b). Describe why fee is necessary to bitcoin. 8. [8%] (a). List the five types of "Standard Transactions". [6%] (b). What is the purpose for OP_RETURN type transaction? -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 61.231.132.45 ※ 文章網址: https://www.ptt.cc/bbs/NTU-Exam/M.1461411089.A.F01.html