"Blockchain Quiz" by Denny Portillo

A smart contract

A decentralized application

A digital currency

A unit of value on a blockchain

A platform for video streaming

A platform for online shopping

A platform for decentralized financial services

A platform for social media networking

A cryptocurrency

A digital currency

A unique digital asset

A blockchain protocol

A type of blockchain consensus mechanism

A software that connects smart contracts with external data sources

A decentralized exchange for trading NFTs

A digital wallet for storing cryptocurrencies

Proof of Work (PoW)

Proof of Authority (PoA)

Delegated Proof of Stake (DPoS)

Proof of Stake (PoS)

A distributed network

A decentralized digital ledger

A centralized database

Oral agreements

Self-executing contracts with the terms of the agreement directly written into code

Traditional paper contracts

A wallet used for storing credit cards

A wallet for keeping personal identification documents

A digital wallet for storing cryptocurrencies

A physical wallet for holding cash

To provide a secure and anonymous means of transaction

To eliminate digital currencies

To centralize financial transactions