Question 1
What EIP defines the ERC-20 fungible token standard?
Correct Answer:
EIP-20
Question 2
What function must an ERC-20 contract implement to allow a spender to transfer tokens on behalf of an owner?
Correct Answer:
approve()
Question 3
What is the key distinction between ERC-20 and ERC-721 tokens?
Correct Answer:
ERC-721 tokens are non-fungible and each has a unique ID
Question 4
What does AMM stand for in the context of DeFi?
Correct Answer:
Automated Market Maker
Question 5
What formula does Uniswap v2 use to maintain liquidity pool balance?
Correct Answer:
x * y = k
Question 1
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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.

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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.

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