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

A pending transaction is a charge that shows up on your credit card statement but hasn’t been reduced from your balance yet. Merchants may also place a pending transaction — or hold — on your account ...

Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Don’t ignore potentially fraudulent credit card transactions; instead, take advantage of the protections and refund processes available through your card issuer. Confirm that the transaction is indeed ...

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Using credit card for 'money rotation' to earn rewards can result in tax notice if no proper explanation is given. This ...

For most small UK businesses it’s impossible to avoid taking customer payments by credit card. But the fees from these transactions can quickly eat into profits, making it particularly difficult for ...