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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 • 10mos

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,...

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SolidityStarter

@SolidityJatin • 10mos

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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Victor P

@TrG6JIR • 10mos

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 • 10mos

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 • 11mos

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 • 11mos

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

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Abasi T

@ggvVaSO • 11mos

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

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Shubhada Pande

@ShubhadaJP • 11mos

Blockchain Developer Career After Willow: Key Skills to Master Now

The blockchain industry is advancing rapidly, with Google’s Willow Chip poised to revolutionize how blockchain applications are developed and deployed. This innovation provides enhanced computational power and energy efficiency, addressing...

8

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Bondan S

@Layer1Bondan • 1yr

Which job offer should I choose Startup or Established Blockchain protocol

I am confused and excited too. I have two job offers in hand. one from a layer 1 startup and another from the established blockchain protocol. Though the startup is...

1

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Shubhada Pande

@ShubhadaJP • 1yr

Rust Developer Interview Questions Guide 2025: Your Complete Blockchain Rust Developer Handbook

TL;DRWhy Rust? Rust is the go-to language for blockchain development due to its memory safety, performance, and concurrency features.Market Demand: Rust adoption grew by 20% in 2024, with blockchain accounting...

3

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Web3WandererAva

@Web3Wanderer • 1yr

Career in CBDC Which Tech Stack, Roles, and Skills Needed for Blockchain Developers

How does the CBDC tech stack differ from other blockchain projects? I’m preparing for a CBDC project interview and want advice from those with experience.I’m a software developer with a...

4

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AshishS

@Web3SecurityPro • 1yr

How to Handle Time Zone Differences in Blockchain Jobs?

Hey, I could really use some advice on how to handle time zone differences while working remotely. I work in IST (UTC+5:30), and my team is spread across different time...

3

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Abasi T

@ggvVaSO • 1yr

Nigerian Rust blockchain dev: Rate advice for US/CA clients?

Hey everyone! I’m a developer based in Nigeria with 2 years of Python experience and 3 years full-time Rust work. I’m trying to pivot into freelancing for blockchain projects (mainly...

3

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