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CBDE Dumps - BTA Certified Blockchain Developer - Ethereum Practice Exam Questions

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Blockchain CBDE - BTA Certified Blockchain Developer - Ethereum Braindumps

Blockchain CBDE - Blockchain Developer - Ethereum Practice Exam

  • Certification Provider:Blockchain
  • Exam Code:CBDE
  • Exam Name:BTA Certified Blockchain Developer - Ethereum
  • Certification Name:Blockchain Developer - Ethereum
  • Total Questions:102 Questions and Answers With Detailed Explanations
  • Updated on:Based on the current CBDE exam blueprint. Updated on Apr 4, 2026
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Blockchain CBDE This Week Results

  • 20
    Students Passed

    BTA Certified Blockchain Developer - Ethereum

  • 87%
    Average Marks

    In Real Exam At Testing Centre

  • 92%
    same from this dump

    Exact Questions as in Real Exam Word by Word

  • 102
    Total Questions

    Blockchain CBDE Questions and Answers

CBDE Question and Answers

Question # 1

In order to implement an ERC20 token contract, you'd need at least to implement the following functions and events in order to fulfill the interface requirements:

Options:

A.  

totalSupply(), balanceOf(address), allowance(address,address), transfer(address,uint256), approve(address,uint256), transferFrom(address,address,uint256). Events: Transfer(address,address,uint256), Approval(address,address,uint256)

B.  

name(), symbol(), totalSupply(), balanceOf(address), ownerOf(uint26),approve(address,uint256), takeOwnership(uint256),transfer(address,uint256),Events: Transfer(address,address,uint256), Approval(address,address,uint256)

Question # 2

Why is Unit-Testing so important?

Options:

A.  

It helps you to find bugs, regression bugs and sometimes also helps you to understand your code from different angles.

B.  

It is a great way to spend time on something that you get paid for. But ultimately it will just slow down the development process.

Question # 3

Sending one Ether is actually internally translated:

Options:

A.  

to Wei, so it will send the equivalent of 10^18 Wei.

B.  

to Finney, so it will send the equivalent of 10^3 Finney.

C.  

to Szabo, so it will send the equivalent of 10^6 Szabo.

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