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:

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

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

Show Suggested Answer

Suggested Answer: A

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

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Tayna

4 months ago

Totally agree with A, it's the standard everyone uses!

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Diane

4 months ago

Are we sure about A? Seems like a lot of functions to implement.

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Arlette

5 months ago

Wait, ownerOf and takeOwnership? That's not ERC20 at all!

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Cassandra

5 months ago

I think B has some extra stuff that isn't needed for ERC20.

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Deeanna

5 months ago

Definitely A, those are the core functions for ERC20!

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Dorinda

5 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

5 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.

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Elza

5 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

5 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

5 months ago

This looks like a straightforward question about enterprise information security policies. I'm pretty confident I can answer this one.

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