"Blockchain Quiz" by kitchrisj

A financial system built on blockchain technology

A traditional investment platform

A centralized banking system

A digital agreement

An electronic contract

A self-executing contract with the terms of the agreement between buyer and seller being directly written into lines of code

A legally binding contract

They are used for different types of transactions

They have different levels of access control

They use different consensus mechanisms

They have different levels of security

To regulate traditional currencies

To provide a secure and decentralized digital currency

To centralize financial transactions

A centralized database

A distributed network

A decentralized ledger

Validating transactions

Mining cryptocurrency

Storing data

Executing smart contracts

A computer that stores a copy of the entire blockchain

A computer that processes smart contracts

A computer that mines cryptocurrency

A computer that verifies cryptocurrency transactions