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Homework answers / question archive / 1) Which hyper-ledger fabric service is responsible for receiving the executed transactions, combining them into blocks, and broadcasting them to peers on the same channel? 2

1) Which hyper-ledger fabric service is responsible for receiving the executed transactions, combining them into blocks, and broadcasting them to peers on the same channel? 2

Computer Science

1) Which hyper-ledger fabric service is responsible for receiving the executed transactions, combining them into blocks, and broadcasting them to peers on the same channel?

2. which treat does Hyper ledger fabric address through the use of X.509 certificates?

3. which component of hyper ledger fabric is described as being crash fault tolerant but not byzantine fault tolerant?

4. which statement best defines the term governance?

5. In the paper "Exploring Preliminary Challenges.." how many major challenges did the authors describe in their findings?

6. In the paper "addressing key challenges.." which of the present use cases represented as traditional enterprise?

7. what common utility does the author recommend to help build release (i.e., packages of software to be deployed to the blockchain)

8. In the lifecycle of an enterprise blockchain application, which stage succeeds the Modify Smart Contract stage?

9. What language does the text book use for writing chain-code source code?

10. According to your text, what is the most common activity in the blockchain and application lifecycle after initializing the trade chain code on the channel?

11. Which type of business network tends to be a balance of centralized and decentralized governance?

12. which network business model generally includes no founders?

13. What application performance metric expresses how long each transaction takes?

14. Blockchain immutability can potentially create problem in complying with which legislation/regulation?

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Answer:

Block chain technology is process of storing the data in the form of the blocks. When we add any information into it, it will store that as the block. It is similar to other database managements systems like MYSQL. When the new data is added into the database in block chain technology it will create the Fresh block for that. Block chain stands on the three pillars like Decentralisation , Transparency, Immutability. 

Step-by-step explanation

1. The ordering  service is responsible for the checking whether the client has submitted any transactions in a channel and converting them into the blocks based on sequence and broadcasts all the final output to the peers in the same channel.

2.Here in case of the Hyper ledger fabric VIPER treat is used to read the configuration by use of X.509 Certificate.

3. Here Kafka is crash is described as being crash fault tolerant but not byzantine fault tolerant.

4.  Governance is the act of governing and responsible for making forward to move country or any organisation in the right direction.

5. Five major challenge were identified 1) competing block chain standards, (2) adjusting to different shared governance models, (3) intellectual property concerns (4) industrial espionage risks, and (5) regulatory uncertainty

6. Tradition enterprise use cases like Corporations invested more than $1.2 billion in block chain technologies between 2012 and 2017,organizations such as Citi, CME Group, JP Morgan, MasterCard, Maersk , NYSE, USAA, Visa,  Wal-Mart and Wells Fargo.
Compared to startups

7.The software reuse helps in creation of the new software with existing software packages , which contain complementary modules also, so software packages are used as common utilities which help in building release.

8. Smart contract stage involves the building the API's then succeeded to designing the interface where database, servers are be chosen wisely.

9. Programming Languages like Java, Go, and Java script are used to write chain codes for building the block chain technology.

10. After initialising the trade chain code it will allows the multiple organisations to agree for the how a trade chain code will be operated before it can be used on the particular channels.

11. The Governance structure  business network is used for delicate  balance between the centralised and decentralised .

12. Co operation network business model generally includes no founders.

13. Block chain  Metrics SUT  application  metric expresses how long each transaction takes.

14.  Taxation of cryptocurrencies in  Block chain immutability can potentially create problem in complying with which legislation/regulation.

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