Ether-eal Knowledge: How Well Do You Know Ethereum?

What are the differences between Bitcoin and Ethereum?

The underlying tokens: Bitcoin vs. Ether

Smart contract support

UTXO vs. Accounts

All of the above

During the conception of Ethereum, how many Ether were created?

21 million

21 billion

71 million

72 million

What is gas in the Ethereum context?

The computational resources required to perform transactions

The security level of the Ethereum network

The gas produced by Ethereum servers

The required cost to perform a transaction on the network

The high-level languages typically used for writing Ethereum smart contracts are

C++

Vyper

Solidity

How do Ethereum nodes talk to each other?

Peer-to-Peer Network

Client-Server Network

Satellite Network

LAN Network

The length of addresses on Ethereum is

256 bits

20 bytes

Depends on the externally-owned-account or contract address

Configurable

Security Audits for smart contracts are performed because

They are required for listing a DApp on the DApp store

They are required for deployment on Ethereum

They help remove vulnerabilities and reduce risk

They are required by exchanges to list tokens

The number of transactions in a Ethereum block depend on

Nothing. It is a constant

Gas used by transactions

Block gas limit

Block difficulty

The gas tracking website https://etherscan.io/gastracker says that the low gas cost is 40 gwei. This affects

The transaction gas price

The transaction gas limit

The transaction value

Both B & C

Security of Ethereum DApps depend on the

Security of their smart contracts

Security of their off-chain components

Security of Ethereum

All of the above

Ether-eal Knowledge: How Well Do You Know Ethereum?

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