Crypto Jobs Blockchain Fundamentals

Question 1

What is blockchain technology?

Accepted Answer

A decentralized, distributed digital ledger that records transactions across many computers

Answer

A type of database

Answer

A cryptocurrency

Answer

A programming language

Question 2

What is a smart contract?

Accepted Answer

Self-executing code stored on a blockchain that automatically enforces agreements when conditions are met

Answer

A legal contract written by a lawyer

Answer

A contract signed digitally

Answer

A type of cryptocurrency

Question 3

What does DeFi stand for?

Accepted Answer

Decentralized Finance — financial services built on blockchain without traditional intermediaries

Answer

Digital Finance

Answer

Default Finance

Answer

Defined Finance

Question 4

What is a consensus mechanism?

Accepted Answer

A method by which a blockchain network agrees on the validity of transactions

Answer

A voting system for shareholders

Answer

A type of cryptocurrency

Answer

A governance document

Question 5

What is an NFT?

Accepted Answer

A Non-Fungible Token — a unique digital asset verified on a blockchain representing ownership of a specific item

Answer

A new form of tax

Answer

A network function tool

Answer

A cryptocurrency coin

Question 6

What programming language is most commonly used for Ethereum smart contracts?

Accepted Answer

Solidity

Answer

Python

Answer

JavaScript

Answer

C++