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Blockchain CBDE Exam - Topic 4 Question 18 Discussion

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:
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)

Blockchain CBDE Exam - Topic 4 Question 18 Discussion

Actual exam question for Blockchain's CBDE exam
Question #: 18
Topic #: 4
[All CBDE Questions]

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:

Show Suggested Answer Hide Answer
Suggested Answer: A

by Martina at May 09, 2022, 03:45 AM

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Tayna
7 months ago
Totally agree with A, it's the standard everyone uses!
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Diane
7 months ago
Are we sure about A? Seems like a lot of functions to implement.
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Arlette
8 months ago
Wait, ownerOf and takeOwnership? That's not ERC20 at all!
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Cassandra
8 months ago
I think B has some extra stuff that isn't needed for ERC20.
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Deeanna
8 months ago
Definitely A, those are the core functions for ERC20!
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Dorinda
8 months ago
I'm pretty confident about this one. Copado Robotic Testing is a Salesforce-specific tool, so the statement that it's built exclusively for Salesforce and on-premise apps is True.
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Val
8 months ago
I'm confident that the correct answers are B and A. The stencil allows you to add custom process elements and form controls to the designer.
upvoted 0 times
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Elza
8 months ago
This is tricky. I'm going to first confirm there are no hidden calculations and just look at the numbers carefully. $2,000 seems most reasonable given the total annual amount.
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Buck
8 months ago
Okay, let me think this through step-by-step. The oval shape is typically used for attributes, the rectangle for entities, and the diamond for relationships. I'll match those up with the numbers in the image.
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Novella
8 months ago
This looks like a straightforward question about enterprise information security policies. I'm pretty confident I can answer this one.
upvoted 0 times
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