FAQ

Answers for questions on topics ranging from the basics of Ethereum to the features of our platform frequently asked by our users.

How to refund a Transaction?

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I have sent funds to the wrong address on Ethereum. Can I get a refund or cancel the transaction?

Kaven Choi
Last updated:

What is Gas Fee? ⛽

Featured

An elaborate description of gas fee, its function and the optimum price and limit.

Kaven Choi
Last updated:

What is an ERC-721 Token?

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Unlike ERC-20, ERC-721 tokens are non-fungible; meaning that each and every ERC-721 token has it's own unique value and is to be treated individually.

Kaven Choi
Last updated:

I accidentally sent funds to a contract address.

What happens if you accidentally sent your tokens to a contract address? Are they recoverable? Read on.

Raja Amir
Last updated:

How to replace a Pending/Dropped transaction

A brief tutorial on how to replace a pending or a dropped transaction on Ethereum using MetaMask.

Afiq Z
Last updated:

What is an ERC-1155 Token?

Other than the popular ERC-20 and ERC-721 tokens, there is a third token standard that is widely used in Ethereum.

Harith Kamarul
Last updated:

Public Name Tags, Labels & Public Notes

An introduction to Etherscan's Public Name Tags, Labels and Public Notes metadata that provide context to Ethereum addresses.

Harith Kamarul
Last updated:

What happens when a Dropped Transaction is replaced by another Transaction?

An article explaining what is really happening when another transaction replaces your dropped transaction.

Raja Amir
Last updated:

What is a Private Key?

A short description and the use of an EOA's private key.

Raja Amir
Last updated:

What do I do if I lost my Private Key?

A short article on the alternatives to consider in the scenario of a lost private key.

Raja Amir
Last updated:

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