Blockchain Basics Quiz

Froggy Jumps

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Blockchain concepts & security

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Owen

Norway

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Blockchain Basics Quiz


Froggy Jumps Blockchain Basics QuizOnline version Blockchain concepts & security by Owen 1 What is a blockchain? a A centralized database b A distributed ledger of records across many computers c A single server storing data 2 What is the role of miners in many blockchains? a Store user credentials b Validate transactions and create new blocks c Print new coins without rules 3 What is a smart contract? a Self-executing code that runs on the blockchain b A type of cryptocurrency c A legal paper only 4 Which enables decentralization in blockchains? a Central authority control b Consensus mechanisms like PoW or PoS c A single database server 5 Is it legal to deploy many bots to join a blockchain network? a It depends on intent and legality; misconduct is often illegal b Yes, always c No, never allowed 6 What is a DApp? a A traditional web app only b A decentralized application running on a blockchain c A desktop app 7 What is a private key used for? a Signing transactions and proving ownership b Generating public keys only c Decrypting the blockchain 8 What is a consensus mechanism? a A marketing strategy b A cloud service c A method for agreeing on the current ledger state 9 What is a fork in blockchain terms? a A split into two versions of the blockchain b A new cryptocurrency c A type of wallet 10 How should you experiment with bots on blockchain safely? a Use testnets and obtain proper permission b Ignore guidelines and test anywhere c Run on mainnet with full access 11 Which technology enables Google sign-in in apps and websites? a OAuth 2.0 b JWT c SAML 2.0 12 What API should you implement to allow users to log in with Google? a Facebook Login b Google Sign-In API c Apple Sign In 13 To keep user-generated questions safe, what feature should be in place? a Admin-only creation b Moderation queue for submitted questions c Auto-publish on submit 14 How can creators save and access their own games on the platform? a Only on local device b Email export c In the My Games or library section 15 What feature helps track how players perform on a quiz? a Anonymous play only b No scoring at all c Quiz scoring and progress tracking 16 Which security practice is important when requesting Google permissions? a Request all Drive access b Request only the minimal necessary scope c Require Gmail login 17 How should the number of questions per game be determined? a Fixed at 10 b Always 50 c As set by the creator 18 What is the initial step to enable Google login in an app? a Obtain a Google account only b Create an OAuth client in Google Cloud Console c Install a plugin 19 How can users share their created quizzes with others? a Generate a shareable link or publish to gallery b Email attachment only c Print as a physical booklet 20 What is a major benefit of user-generated quizzes? a Diverse topics and higher engagement b Requires no moderation c Cannot be edited after publish

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Blockchain Basics Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Blockchain Basics QuizOnline version

by Owen

What is a blockchain?

What is the role of miners in many blockchains?

What is a smart contract?

Which enables decentralization in blockchains?

Is it legal to deploy many bots to join a blockchain network?

What is a DApp?

What is a private key used for?

What is a consensus mechanism?

What is a fork in blockchain terms?

How should you experiment with bots on blockchain safely?

Which technology enables Google sign-in in apps and websites?

What API should you implement to allow users to log in with Google?

To keep user-generated questions safe, what feature should be in place?

How can creators save and access their own games on the platform?

What feature helps track how players perform on a quiz?

Which security practice is important when requesting Google permissions?

How should the number of questions per game be determined?

What is the initial step to enable Google login in an app?

How can users share their created quizzes with others?

What is a major benefit of user-generated quizzes?