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Blockchain Quiz Medium

Time limit: 10 sec Best 1.863s

Consensus mechanisms ensure:

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Blockchain Quiz Medium

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The first block is called:

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ABHI @2QFzVmG

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pavan chaudhari @FEZA3h9

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Zeapherine Islary @ZYj2P17

1.004s

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Rout Chaitanya @tazi9CW

1.028s

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ChainOracle @X1zu17W

1.658s

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mahesh shinde @lndqFV4

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Eddy Long @0unSkKS

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Damon Whitney @CareerSensei

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.934s

A "block" in blockchain means?

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2.036s

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Zeapherine Islary @ZYj2P17

2.237s

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ChainOracle @X1zu17W

2.262s

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mahesh shinde @lndqFV4

4.125s

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Eddy Long @0unSkKS

4.460s

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Igor Jovanovic @DI4e5Zh

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.597s

A "sidechain" is:

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Uma Perla @HjVhOe3

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mahesh shinde @lndqFV4

0.982s

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ChainOracle @X1zu17W

1.213s

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pavan chaudhari @FEZA3h9

1.377s

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Rout Chaitanya @tazi9CW

1.779s

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A P @YwZUhRG

1.782s

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Jackson @oRLSohM

2.107s

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Zeapherine Islary @ZYj2P17

3.054s

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ABHI @2QFzVmG

3.975s

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Igor Jovanovic @DI4e5Zh

4.247s

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Eddy Long @0unSkKS

4.515s

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Abasi T @ggvVaSO

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.838s

What does "Airdrop" mean?

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mahesh shinde @lndqFV4

1.264s

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Uma Perla @HjVhOe3

1.594s

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pavan chaudhari @FEZA3h9

1.910s

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Jackson @oRLSohM

2.068s

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BennyBlocks @BennyBlocks

2.282s

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Igor Jovanovic @DI4e5Zh

2.563s

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ChainOracle @X1zu17W

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Zeapherine Islary @ZYj2P17

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Eddy Long @0unSkKS

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Abasi T @ggvVaSO

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Blockchain Quiz Medium

Time limit: 10 sec Best 1.249s

What is Token Burning?

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ABHI @2QFzVmG

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pavan chaudhari @FEZA3h9

1.402s

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Jackson @oRLSohM

1.415s

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Rout Chaitanya @tazi9CW

1.641s

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A P @YwZUhRG

1.696s

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mahesh shinde @lndqFV4

1.756s

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ChainOracle @X1zu17W

1.792s

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Zeapherine Islary @ZYj2P17

1.953s

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Shubhada Pande @ShubhadaJP

2.202s

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Igor Jovanovic @DI4e5Zh

3.078s

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Eddy Long @0unSkKS

3.291s

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.336s

Layer 2 solutions like Polygon aim to

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Uma Perla @HjVhOe3

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1.208s

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ABHI @2QFzVmG

1.266s

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Zeapherine Islary @ZYj2P17

1.903s

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Kaustubh @kaustubh

2.625s

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pavan chaudhari @FEZA3h9

2.908s

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A P @YwZUhRG

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Igor Jovanovic @DI4e5Zh

3.103s

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Eddy Long @0unSkKS

5.417s

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Abasi T @ggvVaSO

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Jackson @oRLSohM

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.813s

Gas fees in Ethereum are paid for:

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DeFiArchitect @DeFiArchitect

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1.452s

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Jackson @oRLSohM

1.477s

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Igor Jovanovic @DI4e5Zh

2.421s

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ABHI @2QFzVmG

2.517s

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A P @YwZUhRG

2.891s

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Abasi T @ggvVaSO

2.897s

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Rout Chaitanya @tazi9CW

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Shubhada Pande
@ShubhadaJP • Apr 9, 2025

Apr 9, 2025
2.8K

How to Become Blockchain Security Engineer? Part 2

Are you tired of hearing that blockchain security is only for geniuses with PhDs? Wrong. In this guide (Part 2), you'll learn practical skills to protect blockchains; believe me, no fancy degree needed.Let's explore how to do it.Skills Required for Becoming a Blockchain Security Engineer(You...

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.294s

DAO stands for:

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Uma Perla @HjVhOe3

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mahesh shinde @lndqFV4

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Jackson @oRLSohM

1.156s

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Rout Chaitanya @tazi9CW

1.237s

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AuditWardenRashid @AuditWarden

1.512s

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A P @YwZUhRG

1.592s

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ABHI @2QFzVmG

1.739s

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success finder @ukosetw

2.212s

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Zeapherine Islary @ZYj2P17

2.388s

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pavan chaudhari @FEZA3h9

3.003s

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.770s

First blockchain ever created:

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Uma Perla @HjVhOe3

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ChainOracle @X1zu17W

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Jackson @oRLSohM

0.810s

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Rout Chaitanya @tazi9CW

1.022s

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A P @YwZUhRG

1.030s

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pavan chaudhari @FEZA3h9

1.211s

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Zeapherine Islary @ZYj2P17

1.370s

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mahesh shinde @lndqFV4

1.767s

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Kaustubh @kaustubh

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Eddy Long @0unSkKS

2.744s

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success finder @ukosetw

6.451s

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Blockchain Quiz Medium

Time limit: 10 sec Best 1.211s

Blockchain Oracles provide

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ChainOracle @X1zu17W

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mahesh shinde @lndqFV4

1.550s

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Zeapherine Islary @ZYj2P17

1.953s

Place 6
pavan chaudhari @FEZA3h9

2.018s

Place 7
success finder @ukosetw

2.118s

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Eddy Long @0unSkKS

3.624s

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Jackson @oRLSohM

5.445s

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.939s

A private key is:

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Uma Perla @HjVhOe3

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A P @YwZUhRG

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Jackson @oRLSohM

1.546s

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ABHI @2QFzVmG

1.816s

Place 5
mahesh shinde @lndqFV4

2.032s

Place 6
Zeapherine Islary @ZYj2P17

2.252s

Place 7
Rout Chaitanya @tazi9CW

2.367s

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success finder @ukosetw

3.100s

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pavan chaudhari @FEZA3h9

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.706s

What does Web3 rely on?

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Jackson @oRLSohM

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1.713s

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Zeapherine Islary @ZYj2P17

2.021s

Place 5
AuditWardenRashid @AuditWarden

2.172s

Place 6
mahesh shinde @lndqFV4

2.991s

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pavan chaudhari @FEZA3h9

3.708s

Place 8
Abasi T @ggvVaSO

3.711s

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Eddy Long @0unSkKS

5.560s

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Blockchain Quiz Medium

Time limit: 10 sec Best 1.134s

NFTs (Non-Fungible Tokens) represent

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A P @YwZUhRG

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DeFiArchitect @DeFiArchitect

1.613s

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mahesh shinde @lndqFV4

1.921s

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ABHI @2QFzVmG

1.958s

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pavan chaudhari @FEZA3h9

2.656s

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Zeapherine Islary @ZYj2P17

3.188s

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AuditWardenRashid @AuditWarden

3.762s

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Bondan S @Layer1Bondan

3.824s

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success finder @ukosetw

4.535s

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Jackson @oRLSohM

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Blockchain Quiz Medium

Time limit: 10 sec Best 1.017s

A smart contract is:

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A P @YwZUhRG

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pavan chaudhari @FEZA3h9

1.885s

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Zeapherine Islary @ZYj2P17

2.037s

Place 5
Surya Singu @suryacode

2.264s

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Uma Perla @HjVhOe3

2.304s

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ChainOracle @X1zu17W

2.460s

Place 8
success finder @ukosetw

2.486s

Place 9
AuditWardenRashid @AuditWarden

2.697s

Place 10
Andria Shines @ChainSage

2.717s

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mahesh shinde @lndqFV4

2.979s

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Jackson @oRLSohM

4.231s

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Ahmet Hakan Özgür @honest-laptop

4.294s

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Eddy Long @0unSkKS

7.390s

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Blockchain Quiz Medium

Time limit: 10 sec Best 0.967s

Nodes in blockchain

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ChainOracle @X1zu17W

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Rout Chaitanya @tazi9CW

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A P @YwZUhRG

2.072s

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pavan chaudhari @FEZA3h9

2.206s

Place 5
Andria Shines @ChainSage

2.498s

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Jackson @oRLSohM

3.705s

Place 7
success finder @ukosetw

4.027s

Place 8
Bondan S @Layer1Bondan

4.268s

Place 9
Zeapherine Islary @ZYj2P17

4.455s

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mahesh shinde @lndqFV4

5.480s

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AuditWardenRashid @AuditWarden

9.131s

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Shubhada Pande
@ShubhadaJP • Mar 25, 2026

Mar 25, 2026
2.8K

Launching Blockchain Quiz – Prove Your Blockchain Mastery!

Daily blockchain & Web3 quizzes for builders and operators — fundamentals, security basics, ecosystem concepts, and interview-style reasoning.AOB’s Blockchain Quiz Channel is live.Quizzes are the fastest way to spot weak...

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Blockchain Quiz Medium

Time limit: 10 sec Best 2.230s

Stablecoins are pegged to:

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Surya Singu @suryacode

2.230s Time to beat

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Jackson @oRLSohM

2.337s

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mahesh shinde @lndqFV4

2.724s

Place 4
ChainOracle @X1zu17W

2.808s

Place 5
Uma Perla @HjVhOe3

3.282s

Place 6
A P @YwZUhRG

3.420s

Place 7
Rout Chaitanya @tazi9CW

3.629s

Place 8
Zeapherine Islary @ZYj2P17

3.852s

Place 9
AuditWardenRashid @AuditWarden

4.830s

Place 10
BennyBlocks @BennyBlocks

5.084s

Place 11
Bondan S @Layer1Bondan

5.208s

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Ahmet Hakan Özgür @honest-laptop

6.189s

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Andria Shines @ChainSage

7.020s

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Blockchain Quiz Medium

Time limit: 10 sec Best 1.735s

Immutability in blockchain means:

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ABHI @2QFzVmG

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Uma Perla @HjVhOe3

2.204s

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ChainOracle @X1zu17W

2.598s

Place 4
Rout Chaitanya @tazi9CW

2.658s

Place 5
Jackson @oRLSohM

2.722s

Place 6
pavan chaudhari @FEZA3h9

2.769s

Place 7
A P @YwZUhRG

3.306s

Place 8
Zeapherine Islary @ZYj2P17

3.521s

Place 9
Surya Singu @suryacode

4.063s

Place 10
Anita Patel @SmartContractSensei

4.343s

Place 11
Bondan S @Layer1Bondan

4.399s

Place 12
success finder @ukosetw

4.792s

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Eddy Long @0unSkKS

5.081s

Place 14
AuditWardenRashid @AuditWarden

5.240s

Place 15
mahesh shinde @lndqFV4

5.309s

Place 16
Andria Shines @ChainSage

7.342s

Place 17
Ahmet Hakan Özgür @honest-laptop

7.555s

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