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Difficulty - Medium

Total Plays - 39

Allowed Time - 10 sec

Best time - 1.735 sec

Immutability in blockchain means:

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#A

#B

#C

#D

Explanation:
Once data is added to a blockchain, it can’t be altered, ensuring trust.

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Difficulty - Medium

Total Plays - 44

Allowed Time - 10 sec

Best time - 1.379 sec

What is the primary purpose of a blockchain?

Tip: Click "Play" to reveal options and start playing.

#A

#B

#C

#D

Explanation:
A blockchain is a secure, digital ledger that records transactions in a way that is hard to change. Each block stores data and links to the one before it, making the chain tamper-proof.

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Shubhada Pande

@ShubhadaJP • 7mos

How to Become Blockchain Security Engineer? Part 1

Picture this: A hacker in pajamas (hoodies are so 2023) stole $200M from a crypto exchange while reheating cold pizza. Not a movie—just another incident in blockchain land.Hackers are winning,...

3

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SolidityStarter

@SolidityJatin • 7mos

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...

9

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ChainPenLilly

@ChainPenLilly • 7mos

Web3 Content Writing Rates 2025: What Should Blockchain Writers Charge?

What are fair rates for Web3 content writing right now? I freelance as a blockchain writer and strategist, but I never know what to charge. Rates in blockchain content writing...

6

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Victor P

@TrG6JIR • 8mos

How to Switch from Data Analyst to DAO Analyst: Skills, Tools, and First Steps

How do I switch from a data analyst job to a DAO analyst role? I have a few years of experience with SQL, Python, and data visualization tools. Lately, I’ve...

7

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Kaustubh Deshpande

@OKbCuXO • 8mos

Blockchain and Photography or Art fields!

How can a Digital Artist like Photographer or Graphic Designer make use of blockchain?How can this technology be incorporated in the process of image taking to image editing to image...

5

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Riddhi R.

@tZONuaB • 8mos

New To Blockchain, seeking guidance

Hello, I am new to blockchain field. I am creating nft marketplace as a practice project as a part of my learning journey. I am still new for this field...

5

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amanda smith

@DecentralizedDev • 8mos

Are Rust Developer Jobs Only in Blockchain Now? What Backend Developers Need to Know

Are most Rust developer jobs now focused on blockchain and crypto, or do other opportunities exist? I keep seeing Rust roles tied to blockchain projects, with Rust as a must-have...

6

Replies
AnitaSmartContractSensei

@SmartContractSensei • 8mos

How to Answer “Tell Me About Yourself” in a Rust Blockchain Developer Interview

How should I answer “Tell me about yourself” in a Rust developer interview for a blockchain job? I have a few years of Rust experience, mostly in backend systems and...

10

Replies
Abasi T

@ggvVaSO • 8mos

How can I get a remote blockchain job if I’m not in a preferred country or region?

How can I get a remote blockchain job from anywhere, even if companies prefer certain regions? I have four years’ experience as a smart contract developer. I work with Solidity...

6

Replies
ChainMentorNaina

@ChainMentorNaina • 9mos

How to bridge blockchain knowledge Gap between different protocols

How do you acquire skills in multiple blockchains like Ethereum, Polkadot, and Cosmos?Employers expect developers to know more than one. This shift challenges single-chain specialists.I am working on Solana from...

7

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Aditi R

@aGoKU4J • 9mos

How Do I Switch From UI/UX Design to a Blockchain or Web3 Career?

Has anyone here transitioned from regular UI/UX design into blockchain or Web3? I have three years of experience working on SaaS and web apps, but now I am curious about...

3

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Mahesh S

@f6DpcOE • 9mos

Blockchain Training institutes/internship opportunities for B Tech student

Hi,Are there any reputable training institutes offering blockchain courses, including Solana, for a B Tech graduate? He has a strong understanding of blockchain, DeFi, and smart contracts but is looking...

2

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AlexDeveloper

@Alexdeveloper • 9mos

Need help with Solidity interview prep

Any tips for spotting bugs and optimizing smart contracts during Solidity interviews?I freeze up the moment I’m asked to review code. I’ve been prepping for blockchain dev interviews, and Solidity...

3

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