Card terminal showing approved transaction on small screen

Card terminal showing an approved transaction on a small screen during twilight.

About this subject

Card terminals, also known as POS (Point of Sale) devices, are electronic tools widely used in Brazilian commerce to process credit, debit, and contactless payments. In Brazil, their adoption has grown exponentially since the 2000s, driven by the popularity of cards and the decline of cash usage. Today, there are an estimated over 10 million active terminals in the country, operated by companies like Cielo, Rede, and Getnet.

The scene depicts a common retail moment: an approved transaction. When payment is authorized, the terminal prints a receipt and displays a confirmation message on the screen, often accompanied by a beep. This step is crucial for security, confirming that the amount has been correctly debited or credited. The twilight background suggests the purchase occurred at the end of the day, a peak time in supermarkets and pharmacies.

The technology behind terminals has evolved rapidly. Modern models accept contactless payments (NFC), digital wallets like Apple Pay and Google Pay, and even QR codes. In Brazil, contactless payments already account for over 40% of in-store transactions, according to the Brazilian Association of Credit Card Companies (ABECS). Despite its small size, the screen displays essential information such as amount, payment method, and transaction status, ensuring clarity for the user.

Interestingly, terminal design prioritizes usability in low-light environments like bars and restaurants at night. The display backlight and illuminated buttons facilitate reading even in dim conditions, such as twilight. Additionally, PCI DSS (Payment Card Industry Data Security Standard) certification ensures card data is encrypted, protecting against fraud.

Frequently Asked Questions

What does it mean when the card terminal displays 'transaction approved'?

It means the payment has been authorized by the card issuer. The amount will be debited from the buyer's account or credited to the seller's account, depending on the debit or credit mode.

How long does it take for a transaction to be approved on the terminal?

Usually between 2 and 10 seconds, depending on the network connection (3G, 4G, Wi-Fi, or fiber) and the card processor. In areas with weak signal, it may take longer.

Is it safe to use a card terminal in low-light places?

Yes, terminals have backlit screens and PCI DSS certification, which encrypts data. Additionally, it is recommended to cover the keypad when entering the PIN to prevent shoulder surfing.