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Blockchain
Unit 1
Introduction to Blockchain
What is Blockchain?
How Does Blockchain Work?
Types of Blockchains
Blockchain Applications
Challenges and Future of Blockchain
Unit 2
How Bitcoin Uses Blockchain
Introduction to Bitcoin and Blockchain
Bitcoin Transactions and Blockchain Verification
Security and Consensus in Bitcoin Blockchain
Unit 3
What are Dapps
Introduction to Dapps
Architecture of Dapps
Development of Dapps
Unit 4
What is Ethereum
Introduction to Ethereum
Ethereum Virtual Machine (EVM)
Ethereum Mining and Consensus
Ethereum Improvement Proposals (EIPs)
Ethereum Use Cases and Applications
Unit 2 • Chapter 1
Introduction to Bitcoin and Blockchain
Summary
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Concept Check
What is the concept of blockchain technology?
Centralized database for financial records
Public repository for personal information
Decentralized distributed ledger for secure transactions
Local server for storing cryptocurrency
How does Bitcoin achieve decentralization?
Through a network of nodes verifying transactions
By relying on a single centralized authority
By storing all data on a central server
By sharing private keys with a central entity
What is the purpose of mining in the Bitcoin network?
Controlling the value of Bitcoin
Validating transactions and securing the network
Creating new coins without verification
Managing private keys for users
Why are transactions on the blockchain considered secure?
Due to cryptographic algorithms and consensus mechanisms
Because transactions are irreversible once confirmed
Because users can edit their transaction history
Because all data is stored in a single location
Check Answer
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Bitcoin Transactions and Blockchain Verification