Questions et réponses d'entretien les plus demandées et tests en ligne
Plateforme d'apprentissage pour la preparation aux entretiens, les tests en ligne, les tutoriels et la pratique en direct

Developpez vos competences grace a des parcours cibles, des tests blancs et un contenu pret pour l'entretien.

WithoutBook rassemble des questions d'entretien par sujet, des tests pratiques en ligne, des tutoriels et des guides de comparaison dans un espace d'apprentissage reactif.

Preparation a l'entretien

Blockchain Questions et reponses d'entretien

Question 26. Explain the concept of zero-knowledge proofs in blockchain.

Zero-knowledge proofs allow one party to prove the authenticity of information to another party without revealing any details about the information itself. This enhances privacy and security in blockchain transactions.

Est-ce utile ? Ajouter un commentaire Voir les commentaires
 

Question 27. What is the role of a block reward in a Proof of Work blockchain?

A block reward is an incentive provided to miners for successfully adding a new block to the blockchain. It typically consists of newly created cryptocurrency coins and transaction fees from the included transactions.

Est-ce utile ? Ajouter un commentaire Voir les commentaires
 

Question 28. Explain the concept of token standards in blockchain, with a specific example.

Token standards define a set of rules and functionalities for creating and interacting with tokens on a blockchain. An example is the ERC-20 standard on the Ethereum blockchain, which specifies the requirements for fungible tokens.

Est-ce utile ? Ajouter un commentaire Voir les commentaires
 

Question 29. What is the difference between a soft fork and a hard fork in blockchain?

A soft fork is a backward-compatible upgrade to the blockchain protocol, while a hard fork is a non-compatible and more significant change. Soft forks do not require all nodes to upgrade, whereas hard forks do.

Est-ce utile ? Ajouter un commentaire Voir les commentaires
 

Les plus utiles selon les utilisateurs :

Copyright © 2026, WithoutBook.