"Web 3 Quiz" by David Aderokaye

Increase centralization

Eliminate central points of failure

Reduce transparency

Self-executing contracts

Traditional legal contracts

Oral agreements

Storing clothing items

Storing physical currency

Storing food items

Storing digital assets

Storing cryptocurrencies

Ordering food online

Sending and receiving emails

Playing video games

Delegated Proof of Stake

Proof of Stake

Proof of Authority

Proof of Work

A centralized database

A peer-to-peer network

A distributed ledger

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

A data structure

A digital currency

A cryptographic key

A smart contract