"Blockchain Quiz" by kitchrisj

A legally binding contract

An electronic contract

A digital agreement

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

To provide a secure and decentralized digital currency

To centralize financial transactions

To regulate traditional currencies

Mining cryptocurrency

Storing data

Validating transactions

Executing smart contracts

They have different levels of security

They use different consensus mechanisms

They have different levels of access control

They are used for different types of transactions

A distributed network

A centralized database

A decentralized ledger

A traditional investment platform

A centralized banking system

A financial system built on blockchain technology

A computer that verifies cryptocurrency transactions

A computer that processes smart contracts

A computer that stores a copy of the entire blockchain

A computer that mines cryptocurrency