"Web 3 Quiz" by David Aderokaye

Traditional legal contracts

Self-executing contracts

Oral agreements

Proof of Work

Delegated Proof of Stake

Proof of Authority

Proof of Stake

D. A wallet that stores personal identification documents

A. A wallet that stores physical cash

B. A wallet that stores digital assets and cryptocurrencies

C. A wallet that stores credit cards

Playing video games

Storing cryptocurrencies

Sending and receiving emails

Ordering food online

Reduce transparency

Eliminate central points of failure

Increase centralization

Storing food items

Storing digital assets

Storing physical currency

Storing clothing items

A peer-to-peer network

A centralized database

A distributed ledger

A smart contract

A cryptographic key

A data structure

A digital currency