课程名称︰比特币及数据分析 课程性质︰选修 课程教师：廖世伟 开课学院：电资学院 开课系所︰资工所 考试日期（年月日）︰2015.11.13 考试时限（分钟）： 试题 : 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? --

※ 发信站: 批踢踢实业坊(ptt.cc), 来自: 61.231.132.45 ※ 文章网址: https://webptt.com/cn.aspx?n=bbs/NTU-Exam/M.1461411089.A.F01.html