ArtofBlockchain

Difficulty - Medium

Total Plays - 30

Allowed Time - 10 sec

Best time - 1.796

What is a blockchain QA analyst’s task?

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Explanation:
A Blockchain QA Analyst is responsible for testing smart contracts, dApps, and blockchain networks to ensure they work as intended. They identify bugs, check performance, and validate security, which is critical for building trust in decentralized applications. This role is increasingly important in blockchain careers, as companies rely on QA analysts to deliver reliable and secure Web3 products.

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Difficulty - Medium

Total Plays - 35

Allowed Time - 10 sec

Best time - 0.734

Which consensus offers fastest finality?

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Explanation:
BFT-based (Byzantine Fault Tolerant) consensus mechanisms achieve instant or near-instant finality by requiring agreement among validators in just one round of communication, allowing transactions to be finalized in seconds—faster than PoW, PoS, or DPoS.

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Angela R
@Web3SkillMapper • Aug 24, 2025

Aug 24, 2025
479

Is a Blockchain MBA worth it for getting into Web3 leadership?

I’m thinking about joining a Blockchain MBA or an executive program. I want to move into a leadership role in Web3 like product, strategy, business development, or similar.Has anyone here...

Like 9 Replies 2
Difficulty - Medium

Total Plays - 32

Allowed Time - 10 sec

Best time - 3.504

What does the immutable keyword do in Solidity?

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Explanation:
immutable variables are assigned once during deployment and can’t be changed afterward. They are more gas-efficient than regular storage variables.

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Difficulty - Medium

Total Plays - 32

Allowed Time - 10 sec

Best time - 0.985

Which blockchain introduced smart contracts?

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Explanation:
Ethereum popularized smart contracts and allowed developers to build decentralized apps.

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Difficulty - Medium

Total Plays - 34

Allowed Time - 10 sec

Best time - 1.883

Royalties in NFTs allow:

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Explanation:
Royalties in NFTs ensure that artists receive a percentage of sales every time their work is resold on secondary markets. This feature provides creators with ongoing income and supports long-term value for their digital art.

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Difficulty - Medium

Total Plays - 28

Allowed Time - 10 sec

Best time - 1.238

Combines PoW and PoS?

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Explanation:
Hybrid mechanisms (e.g., Decred) blend PoW mining with PoS voting for balanced security.

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Difficulty - Medium

Total Plays - 23

Allowed Time - 10 sec

Best time - 1.725

"Decentralized oracles" use:

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Explanation:
Decentralized oracles (e.g., Chainlink) source data from many nodes for trust.

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Difficulty - Medium

Total Plays - 22

Allowed Time - 10 sec

Best time - 1.118

What is Hash?

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Explanation:
A hash function is a algorithm that converts data into a fixed-size string (hash value), used for data integrity, security, or quick lookup.

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Difficulty - Medium

Total Plays - 23

Allowed Time - 10 sec

Best time - 0.899

NFT "minting" means:

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Explanation:
Minting converts digital files (art, music) into blockchain-based NFTs.

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Difficulty - Medium

Total Plays - 27

Allowed Time - 10 sec

Best time - 0.590

The first block is called:

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Explanation:
The genesis block is the first block in a blockchain, initiating the chain.

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SolidityStarter
@SolidityJatin • May 26, 2025

May 26, 2025
1.1K

Fresher Blockchain Developer Salary in India: What Should I Expect in 2025?

What is the starting salary for a fresher blockchain developer in India? I just cleared a technical interview at a DeFi company. I am a CS student with three months...

Like 9 Replies 1
Merrythetechie
@Merrythetechie • Apr 8, 2026

Apr 8, 2026
1.7K

Solidity interview: Overflow/Underflow handling — 0.8 checks, SafeMath, and upgradeable contract gotchas

I’m prepping for a Solidity interview and got stuck when they asked about integer overflow/underflow. I know Solidity 0.8+ has built-in overflow checks, but the interviewer didn’t stop there. They...

Like 9 Replies 6
Amanda Smith
@AmandaS • May 19, 2025

May 19, 2025
1.7K

How to Transition from Mobile App Development to a Blockchain Career

How do I switch from mobile app development to a blockchain career? I’ve worked as a mobile developer for four years, mostly with React Native and Swift. Lately, I’m drawn...

Like 9 Replies 2
SmartContractGuru
@SmartContractGuru • May 29, 2025

May 29, 2025
1.4K

Can You Get a Blockchain Job Without Tech Skills?

Can you get a blockchain job without tech skills? I’ve been a stay-at-home mom for four years. I don’t have coding or IT experience. I keep seeing blockchain jobs everywhere....

Like 9 Replies 3
Smita Geaorge
@SmartChainSmith • Nov 11, 2024

Nov 11, 2024
1.4K

Can an Online Board Game Operate on the Blockchain?

Considering the idea of creating a simple online board game for up to four players, with thousands of concurrent games running, some questions arise regarding blockchain integration.Full Game on Blockchain:...

Like 9 Replies 2
KK
@kaustubh • Oct 24, 2024

Oct 24, 2024
1.1K

How to get a job in crypto without any experience?

I wish to know if there is a way to get a job in the crypto without any experience? I have been looking for relevant jobs - but almost all...

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AuditWardenRashid
@AuditWarden • Apr 29, 2025

Apr 29, 2025
1.2K

How to find remote blockchain developer jobs?

I am juts wondering how to find remote blockchain developer job? I am continuously applying at all remote job posts but I am not getting any interview call. Can anyone...

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MakerInProgress
@MakerInProgress • Mar 27, 2025

Mar 27, 2025
1.2K

Seeking Career Advice in Blockchain Development

Hello! I am here to seek help.Currently, I am working as an intern blockchain developer on a Dapp Project alongside a senior software engineer. This is a four-month internship, and...

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AlexDeveloper
@Alexdeveloper • Sep 20, 2025

Sep 20, 2025
1.0K

As a First-Year Student, Should I Start with Blockchain, Game Development, or AI?

Should I get into Blockchain development? or get into Game Development ? or something else, maybe something related to AI? I am a first-year student and exploring options

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