In recent years, with the rise of the payment industry, many entrepreneurs have chosen to enter the POS industry, and have compiled some materials for quick and accurate understanding of the industry.
What is wind control?
Generally speaking, it refers to risk control. Generally, financial institutions and payment companies have such positions. They mainly adopt various measures and methods to eliminate and reduce various kinds of energy events, or reduce the losses caused by risk events. . The basic methods are: risk avoidance, stop loss control, risk transfer and risk retention.
Second, what is the order?
It means that the acquirer or UnionPay or the bank has doubts about the disputed or risky transaction, and needs to retrieve the original transaction voucher to prove the cardholder's real trading scene at the time, confirm the consumption or carry out the responsibility division certificate. It is common for the acquirer to require the POS merchant to submit certain transaction receipts for a certain period of time. Within a certain working day, the transaction is temporarily frozen and re-paid after confirmation.
What are the three situations that will cause the order?
Credit card ordering refers to the cardholder's access to the credit card purchase order. When the cardholder disagrees with his or her own consumption, he can apply to the issuing bank for the purchase of the purchase order saved by the merchant. In our acquiring business scenario, agents, acquirers, issuers, and UnionPay can initiate orders, usually in accordance with their “risk control standards†initiated by “probable risk transactionsâ€, such as during non-business hours. The transaction, the single card transaction is too frequent, the single card transaction amount is too large, there are other trading abnormalities such as the transfer transaction behavior.
Why do small tickets need to be signed?
According to the relevant requirements of China UnionPay, in order to ensure the cardholder's card security, the user holding the credit card must sign his or her own name behind the card. According to the relevant regulations, after the cardholder swipes the card, the merchant must carefully check whether the name on the bank card is consistent with the signature of the cardholder. If it is inconsistent, the transaction can be cancelled or the order is not recognized. If the merchant does not operate according to the requirements, it may affect the settlement of the transaction funds of the cardholder.
After the credit card is consumed, the consumer needs to properly keep the transaction ticket as a voucher for the transaction, so that the verification of the transaction will prove the authenticity of the transaction. If the cardholder does not reserve the POS machine to print the small ticket after consumption, or lose the small ticket, or if it is damaged for other reasons, you need to fill in the "Consumer Real Deal Confirmation Form".
What is the stolen brush?
The stolen brush means that it is a fraudulent use of the non-normal credit card or debit card to obtain the credit card consumption, which is a serious illegal act.
Six what copy card, fake card, black card?
A fake card refers to a card that is not used by the bank card itself, but a card that illegally flashes the card by copying the original card information through its technical means. These fake cards are more common in magnetic stripe cards, and the chip cards are difficult to be copied. Basically, they can't be said.
The chip is used to calculate the processed data, not directly read the information.
There is a part of the memory area in the chip card that can not be read casually. It is unique to each card. Even if the card is copied, the data in this area cannot be read. When the transaction is made, there is a dynamic verification, which requires a terminal. Sending a random number command to the card, the card uses the private key in the card to encrypt the received data plus other data in the card, and generates a dynamic certificate, which is returned to the terminal, and the terminal decrypts the data with the card public key. If the format complies with the requirements of the UnionPay standard, the transaction can be successful.
Seven what is the chargeback?
There are many reasons for making a chargeback, including but not limited to the following:
Case 1: Cardholder refuses to pay (the following 5 points are common reasons for rejection)
â— Cardholders have doubts about the validity of this purchase
â— Cardholders are charged repeatedly for the same order
â— The cardholder is not satisfied with the sale and purchase, and has not been able to resolve the dispute with the merchant.
â—The purchase item received by the cardholder does not match the description.
â—The cardholder has not received the item he purchased.
Case 2: The issuing bank / card issuer refuses to pay (the following 5 points are the common reasons for the rejection)
â—Unauthorized party uses cardholder credit card for purchase
â— Merchant does not provide valid transaction credentials
â— Merchants provide valid documents within the prescribed time limit
â— The actual consumption of the cardholder does not match the location of the voucher consumption.
â—The same merchant, the same terminal, and the same product have made multiple card payments.
What is the consumption of eight?
A credit card transaction was successfully operated on the pos machine. In the subsequent online process, the POS machine and the UnionPay settlement center failed during the data transmission process, and the system host side did not return a successful transaction prompt. The terminal could not determine whether the transaction was successful. Then, the host sends a request to cancel the flow of the transaction. When the host receives the request, it rolls back the transaction. The transaction amount is successfully returned and needs to be re-swipeed. If the transaction is unsuccessful, the transaction will be regarded as a failed transaction. However, the transaction initiator's account has been debited, and the refund needs to be contacted by the POS provider or the acquirer's customer service to manually rectify the transaction money back to the cardholder's account.
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