KORONA POS — Mega Menu (updated)

PCI Compliance for Retail Stores: What Every Retailer Needs to Know

If your business accepts credit cards, it needs to meet Payment Card Industry (PCI) compliance standards. This is true whether you take payments through a physical POS, an online checkout, or contactless payment. In this post, we’ll explain PCI Compliance, why...

Ultimate Guide to Credit Card Surcharge for Retailers in 2026

Key Takeaways: A credit card surcharge is a small fee added to card transactions to offset processing costs, and it’s legal in most U.S. states when done correctly. Retail surcharges are regulated by card networks and state laws, requiring clear disclosure, caps, and...

How Credit Card Processing Works (Quick 2026 Guide)

Key Takeaways: Transaction Starts: Cardholder uses credit card; POS captures and encrypts details for processing. Authentication: Verifies cardholder identity with PIN, signature, or biometrics to prevent fraud.  Authorization: Issuing bank checks funds, approves...