Module 3 - 1st

ECCDSA is used in ..... and ..... Blockchain Platforms

• Bitcoin, Ethereum

• Bitcoin and Hyperledger

• Ethereum and Solana

• Hyperledger and Solana

Who introduced Bitcoin?

• Vitalik Buterin

• Satoshi Nakamoto

• Gavin Wood

• Charles Hoskinson

How is Bitcoin defined?

• A Protocol

• A Digital Currency

• A Platform

• All of the above

What does each Bitcoin transaction consist of?

• Only one input

• Only one output

• At least one input and one output

• Multiple outputs only

How are Bitcoin transaction outputs representeed?

• In Ether

• In Dollars

• In Satoshis

• In Blocks

Which of the following are examples of Online Blockchain Explorers?

• Etherscan and Blockchain.com

• Google and Yahoo

• MetaMask and Trust Wallet

• Coinbase and Binance

What is the simple formula to calculate the Bitcoin transaction fee?

• Transaction Fee = SUM(Input) - SUM(Output)

• Transaction Fee = SUM(Output) - SUM(Input)

• Transaction Fee = Block Size × Hash Rate

• Transaction Fee = Number of Inputs × Number of Outputs

What does the Bitcoin transaction data structure contain?

• Only inputs and outputs

• Only metadata and outputs

• Metadata, inputs, and outputs

• Only metadata and inputs