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Certified Blockchain Developer - Ethereum (CBDE)

30 questions 5.0 rating Mobile friendly
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About this Exam

Prepare with the Certified Blockchain Developer - Ethereum (CBDE) practice quiz. This question bank includes 30 questions covering ethereum, solidity, function, erc-20, and contract. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
What EIP defines the ERC-20 fungible token standard?
EIP-20
EIP-721
EIP-1155
EIP-2612
Question 2
What function must an ERC-20 contract implement to allow a spender to transfer tokens on behalf of an owner?
approve()
transfer()
allowance()
mint()
Question 3
What is the key distinction between ERC-20 and ERC-721 tokens?
ERC-721 tokens are non-fungible and each has a unique ID
ERC-721 tokens have higher decimal precision
ERC-20 tokens represent ownership of NFTs
ERC-721 allows batch transfers by default
Question 4
What does AMM stand for in the context of DeFi?
Automated Market Maker
Autonomous Minting Mechanism
Aggregated Margin Model
Asset Management Module
Question 5
What formula does Uniswap v2 use to maintain liquidity pool balance?
x * y = k
x + y = k
x^2 + y^2 = k
x / y = k

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Additional Information

Certified Blockchain Developer - Ethereum (CBDE)

This practice set contains 30 questions from the matching question bank and focuses on ethereum, solidity, function, erc-20, and contract. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

Frequently Asked Questions

This quiz contains a total of 30 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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