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?
FeaturedI have sent funds to the wrong address on Ethereum. Can I get a refund or cancel the transaction?
What is Gas Fee? ⛽
FeaturedAn elaborate description of gas fee, its function and the optimum price and limit.
What is an ERC-721 Token?
FeaturedUnlike 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.
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.
How to replace a Pending/Dropped transaction
A brief tutorial on how to replace a pending or a dropped transaction on Ethereum using MetaMask.
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.
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.
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.
What is a Private Key?
A short description and the use of an EOA's private key.
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.