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ICT

QuestionAnswer
1. Which of the following is an example of a cryptocurrency? Bitcoin
2. Smart contracts are... Self-executing digital contracts
3. Blockchain is mainly used in supply chains to... Track goods and ensure transparency
4. The MediLedger Project uses blockchain for... Healthcare
5. Which of the following is a key feature of blockchain technology? Transparency and immutability
1. What is the first step in the blockchain process? Transaction Initiation
2. Which step involves grouping transactions together? Block Creation
3. What ensures that each block is legitimate before being added to the chain? Validation by nodes/miners
4. What is used to seal a block before adding it to the blockchain? Cryptographic Hash
5. Which consensus mechanisms are commonly used in blockchain? Proof of Work and Proof of Stake
1. Alice sends 2 Bitcoins to Bob. In the Blockchainprocess, this transaction will... Be grouped with other transactions to form a block
A student is exploring a Blockchain ledger and notices that each block contains a unique code. This code is known as _ cryptographic hash
A supermarket chain implements Blockchain for tracking produce. This ensures_ Enhanced transparency in the product’s journey
4. In Blockchain, miners compete to create ______ for the new block. A hash
. Sarah is tracking a lettuce shipment using Walmart’s Blockchain system. She is able to find the farm where the lettuce was grown in seconds. This scenario demonstrates Blockchain’s ability to__ Provide transparency and traceability
1. Blockchain is primarily: A type of database
How does Blockchain link data? Sequentially
Decentralization in Blockchain means Data copies distributed across many nodes
Which of the following is a real-life application of Blockchain? Supply Chain Management
Who introduced Bitcoin and popularized Blockchain? Satoshi Nakamoto
What is blockchain primarily considered as? A type of database
What does each block in a blockchain contain? A collection of data
What happens once a block is filled with data? It is sealed and linked to the previous block
What does decentralization in blockchain mean Data distributed across a network of computers
Which feature of blockchain ensures trust and accountability? Transparency
Created by: omar1212
 

 



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