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Which of the following is Ethereum primarily known for?

A) Hosting smart contracts and decentralized applications (dApps)

B) Providing faster Bitcoin transactions

C) Developing hardware wallets

D) Centralizing blockchain technologies

Ethereum is both a cryptocurrency and a decentralized platform that supports smart contracts.

True

False

Which of the following best describes "gas" in the context of Ethereum?

A) A digital currency used to buy Ethereum

B) A fee required to execute a transaction or smart contract on the Ethereum network

C) A type of cryptocurrency wallet

D) A blockchain consensus algorithm

What makes Ethereum distinct from Bitcoin?

A) Ethereum is fully decentralized while Bitcoin is not

B) Ethereum’s blockchain is designed for more than just cryptocurrency, supporting smart contracts and dApps

C) Ethereum has a fixed supply while Bitcoin’s supply is unlimited

D) Ethereum is a private blockchain controlled by banks

Ethereum uses Proof-of-Work (PoW) as its consensus mechanism.

True

False

What was one of the key goals for the creation of Ethereum?

A) To reduce Bitcoin transaction fees

B) To create a platform that allows for the development of decentralized applications (dApps)

C) To centralize all global financial data

D) To create a private, invite-only blockchain

What is Ethereum 2.0 primarily aimed at addressing?

A) Security issues

B) Environmental impact and scalability

C) Transition to Proof-of-Work

D) Reducing mining rewards

Ether (ETH) is the native cryptocurrency of the Ethereum blockchain.

True

False

Which of the following describes a "smart contract" on the Ethereum blockchain?

A) A traditional legal agreement recorded on paper

B) Self-executing code with predefined conditions

C) A cryptocurrency token used for transactions

D) A centralized contract overseen by Ethereum’s developers

Ethereum has a fixed supply of Ether tokens, just like Bitcoin has a capped limit of 21 million coins.

True

False

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