Transaction basics
Gas Used and the Gas Limit Are Different Numbers in a Transaction
Read an Ethereum transaction’s gas limit separately from gas used and the price paid per unit when checking its execution cost.
TOKENS · NETWORKS · CONTEXT
Transaction basics
Transaction basics
An Ethereum Contract-Creation Transaction Has No Ordinary Recipient Address
Recognise a top-level Ethereum contract-creation transaction by its missing ordinary recipient field, while distinguishing it from a failed transfer or a call to a factory contract.
Transaction basics
A Blockchain Transaction Fee Pays for More Than the Amount Sent
Separate network fees from exchange charges and transaction value, and check the network’s rules before assuming a failed transfer costs nothing.
Transaction basics
Same Token Name, Different Network: Check Before Sending
Check the asset, network and receiving service together before a crypto transfer; matching a token name or address format is not enough.