NFT ERC-721 vs. ERC-1155 Standards 5

Question 1

Which royalty standard is commonly added on top of both ERC-721 and ERC-1155?

Accepted Answer

ERC-2981

Answer

ERC-165

Answer

ERC-4626

Answer

ERC-1820

Question 2

In ERC-1155 safe transfers, what extra parameter is passed compared to ERC-721's basic transfer?

Accepted Answer

An amount (value) for the token ID

Answer

A gas limit

Answer

A timestamp

Answer

A nonce

Question 3

What is a practical gas advantage of ERC-1155 when airdropping many items to many users?

Accepted Answer

Batch transfers reduce overhead versus many individual ERC-721 transfers

Answer

No advantage exists

Answer

It skips the EVM

Answer

It uses zero-knowledge proofs by default

Question 4

Which statement about token uniqueness is correct?

Accepted Answer

ERC-721 enforces one owner per token ID, while ERC-1155 IDs can have many holders

Answer

Every ERC-1155 token is always unique

Answer

ERC-721 allows fractional ownership natively

Answer

ERC-1155 cannot represent NFTs

Question 5

When migrating a collection from ERC-721 to ERC-1155, what is a common challenge?

Accepted Answer

Marketplace compatibility and mapping unique tokens to ID/amount semantics

Answer

No challenge; they are identical

Answer

ERC-1155 cannot hold metadata

Answer

Royalties are impossible after migration

Question 6

Which standard natively defines a TransferBatch event for multi-ID movements?

Accepted Answer

ERC-1155

Answer

ERC-721

Answer

ERC-20

Answer

ERC-165

Question 7

For a contract holding both in-game currency and rare unique items efficiently, which is the single best choice?

Accepted Answer

One ERC-1155 contract

Answer

Two separate ERC-721 contracts

Answer

An ERC-20 contract only

Answer

An ERC-165 contract