A transaction hash (TXID or transaction ID) is the identification number for a transaction on the blockchain. The transaction hash of a successful transfer will be unique and virtually immutable therefore it is often used for tracing a transaction or proving the existence of an ongoing transaction.
When a mining pool completes a payout, a corresponding transaction hash of that payout will show up on revenue records. For username mining, you can find revenue records on the “Revenue” page, and for address mining, you should check the “Payouts” page which is beneath the hashrate graph.
As shown in the picture below, In revenue records, click the “TXID” of the payout that you would like to check and you will see the transaction hash that can be copied. You can view the details of a particular transaction by querying the TXID on the relevant cryptocurrency’s block explorer.
If you have not received payments from a corresponding transaction hash, you must provide the transaction hash to the receiving platform and request credit for the amount of cryptocurrency as soon as possible.