
Blockchain and Smart Contracts Quiz
Authored by Vaibhav Research)
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which blockchain platform is most widely used for developing smart contracts in Solidity?
Ethereum
Hyperledger Fabric
Ripple
Corda
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which tool provides a local Ethereum blockchain for testing and development?
Truffle
Ganache
MetaMask
Web3.js
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of MetaMask in dApp development?
Backend server for smart contracts
Tool for compiling Solidity code
Wallet for interacting with Ethereum blockchain
Node synchronization manager
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In smart contract development, what does 'event handling' refer to?
Managing token issuance
Listening for and responding to emitted events from smart contracts
Logging user data on-chain
Encrypting communication between frontend and backend
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which library allows frontend applications to communicate with smart contracts?
Solidity.js
Web3.js
Hardhat
Geth
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which cryptographic technique is primarily used for generating blockchain public-private key pairs?
RSA
SHA-256
Elliptic Curve Cryptography (ECC)
DES
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of zero-knowledge proofs in blockchain systems?
Encrypting user transactions
Verifying identities with public keys
Proving a statement without revealing the underlying data
Compressing blockchain data
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