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39 interview questions on Blockchain - Fundamentalsfor developers (2025)

Test your technical skills before an interview of Blockchain - Fundamentals with 39 corrected questions. Beginner, Intermediate or Expert level.

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39 questions
Easy
13 votes469 runs0 comment

What does EVM stand for?

Blockchain Expert
ethereum
virtual machine
Maximeat Nov 7, 2022
Medium
3 votes446 runs0 comment

What is the private key of a cryptocurrency wallet?

Blockchain Expert
cryptocurrency
wallet
Maximeat Nov 11, 2022
Easy
3 votes418 runs0 comment

What does NFT stand for?

Blockchain Expert
blockchain
cryptocurrency
Maximeat Sep 19, 2022
Medium
2 votes433 runs1 comment

Layer 2 is a technology that aims to improve the functionality of certain blockchains and relieve the network of a main blockchain (Layer 1).

Blockchain Expert
blockchain
layer 2
Maximeat Nov 14, 2022
Medium
1 vote405 runs0 comment

What are the main differences between an NFT and a classic token?

Blockchain Expert
blockchain
token
nft
Maximeat Nov 21, 2022
Medium
1 vote405 runs0 comment

DeFi: Offers an alternative to traditional centralized finance, Implements brand-new finance mechanics

Blockchain Expert
finance
decentralized
Maximeat Nov 15, 2022
Medium
1 vote400 runs0 comment

What is the scalability of a blockchain?

Blockchain Expert
blockchain
scalability
Maximeat Nov 21, 2022
Easy
1 vote394 runs0 comment

What does DeFi stand for?

Blockchain Expert
blockchain
finance
Maximeat Sep 19, 2022
Medium
1 vote47 runs0 comment

What is Web3.0?

Blockchain Expert
web3
blockchain
Maximeat Mar 15, 2022
Hard
0 vote465 runs1 comment

A centralized blockchain:

Blockchain Expert
blockchain
transaction fees
Maximeat Nov 8, 2022
Hard
0 vote413 runs1 comment

In the blockchain ecosystem, a bridge is a smart contract or a set of smart contracts that allows the exchange of cryptocurrencies between two different blockchains.

Blockchain Expert
smart contract
blockchain
Maximeat Nov 14, 2022
Medium
0 vote408 runs0 comment

When was the concept of Bitcoin created?

Blockchain Expert
history
Maximeat Sep 19, 2022
Medium
0 vote408 runs0 comment

What are the different types of blockchains?

Blockchain Expert
blockchain
types
Maximeat Sep 19, 2022
Hard
0 vote406 runs0 comment

What is the standard for NFTs?

Blockchain Expert
standards
Maximeat Nov 21, 2022
Hard
0 vote406 runs0 comment

What are the different types of consensus mechanisms used in blockchains?

Blockchain Expert
blockchain
consensus
Maximeat Sep 19, 2022
Easy
0 vote405 runs1 comment

Once data is recorded on the blockchain, it is immutable and available to everyone.

Blockchain Expert
blockchain
data
Maximeat Sep 19, 2022
Easy
0 vote400 runs0 comment

When was the first Bitcoin block mined?

Blockchain Expert
blockchain
bitcoin
Maximeat Nov 14, 2022
Medium
0 vote396 runs0 comment

A cryptocurrency wallet works with a private key.

Blockchain Expert
cryptocurrency
wallet
Maximeat Nov 22, 2022
Easy
0 vote394 runs0 comment

During a transaction, the choice of network corresponds to :

Blockchain Expert
blockchain
network
Maximeat Nov 21, 2022
Medium
0 vote317 runs0 comment

What is a DApp?

Blockchain Expert
blockchain
smart contract
Maximeat Sep 19, 2022