If you contact our support team about a deposit or withdrawal issue, they will likely ask you for the transaction hash (TXID) of the deposit/withdrawal so they can help you better.
Transaction hashes are unique strings assigned to transactions on the blockchain and allow anyone to view the status of a transaction, as well as the sender, destination, and fees paid. They will typically look something like this:
6146ccf6a66d994f7c363db875e31ca35581450a4bf6d3be6cc9ac79233a69d0
Or they can be in the form of a link:
You can usually find transaction hashes tied to transactions in your wallet history. On wallets like MetaMask, clicking a transaction will give you the option to "Copy Transaction ID".