Understanding Credit Card Authorization Keys: Definition and Example

A credit card authorization key is a secure code used to process transactions, confirming purchases and preventing fraud ...
Forbes

This Week In Credit Card News: Another Major Retailer No Longer Takes Checks

Target has become the latest national retailer to announce it will longer accept personal checks. The policy will go into effect July 15, in yet another sign of how the once ubiquitous payment method ...
The Business Journals

Big brands are ditching paper checks. Small-business owners might not be able to do the same.

Big brands are ditching paper checks as a payment option, but business owners are being urged to consider all the consequences before writing them off. Target Corp. stopped accepting personal checks ...

Here's what happens when you spend more than $5,000 on your credit card

Spending big on your credit card can trigger fraud checks, impact your score, and put you at risk of debt issues. Here's how ...

Here's What Happens When You Use a Debit Card at a Hotel

Hotels treat debit cards very differently from credit cards, and the behind-the-scenes process can lock up your cash for days ...

Here's what happens when you only use credit cards

Credit cards offer rewards and protection, but using them exclusively has downsides. Here's what to know before going all-in ...

We Compared 100+ Credit Cards -- These 3 Offer the Best 0% Intro APR in 2026

These top 0% intro APR and balance transfer cards can help you save hundreds in interest in 2026 and pay off your debt faster ...