NFT ERC-721 vs. ERC-1155 Standards 4

Question 1

Both ERC-721 and ERC-1155 rely on which standard for interface detection?

Accepted Answer

ERC-165

Answer

ERC-20

Answer

ERC-777

Answer

ERC-4626

Question 2

What does setApprovalForAll do in both standards?

Accepted Answer

Grants or revokes an operator control over all of the caller's tokens

Answer

Approves a single token

Answer

Transfers ownership of the contract

Answer

Sets the metadata URI

Question 3

Which standard supports per-token single-approval via approve(address, tokenId)?

Accepted Answer

ERC-721

Answer

ERC-1155

Answer

ERC-20

Answer

ERC-165

Question 4

An artist mints a 1-of-1 artwork with rich provenance and per-token metadata. Which standard is most conventional?

Accepted Answer

ERC-721

Answer

ERC-1155

Answer

ERC-20

Answer

ERC-721A only

Question 5

In ERC-1155, what happens to a token ID when its total supply is burned to zero?

Accepted Answer

That ID simply has zero balance and can often be re-minted by logic

Answer

The contract self-destructs

Answer

All other IDs are deleted

Answer

The URI template breaks

Question 6

Why might a large 10,000-item PFP collection still choose ERC-721 over ERC-1155?

Accepted Answer

Marketplace and tooling support plus per-token uniqueness expectations favor ERC-721

Answer

ERC-1155 cannot store images

Answer

ERC-721 is always cheaper to mint

Answer

ERC-1155 forbids royalties

Question 7

Which standard lets a single token ID be owned by thousands of addresses simultaneously?

Accepted Answer

ERC-1155

Answer

ERC-721

Answer

ERC-165

Answer

Neither standard allows this