The PAYATE Blog
Practical guides and how-tos on payments, cards, downloaders, crypto and developer tools — free, from PAYATE.
What Is the Luhn Algorithm? Card Number Check Digits Explained
Last reviewed: September 29, 2026 Every credit and debit card number follows a hidden rule: its last digit is calculated from all the other digits using the…
Balance Transfer Credit Cards: How They Work, Fees (2026)
Last reviewed: September 29, 2026 A balance transfer credit card lets you move debt from one card to another card that charges little or no interest for a se…
Wise vs PayPal vs Payoneer: Fees and Rates Compared (2026)
Last reviewed: September 29, 2026. Fees and exchange rates change often. Every figure below comes from the provider's own pricing, fee or help pages as they…
Secured Credit Cards: How They Work & Build Credit 2026
Last reviewed: September 29, 2026. Card terms change often. Always check the issuer's own page and pricing terms before you apply. Short answer: A secured cr…
Card-Not-Present Fraud Prevention for Small Merchants
Last reviewed: September 28, 2026. Card network thresholds, SCA rules and processor features were checked against the official Visa, PCI SSC, EBA, FCA, AusPa…
How to Pay for Studying Abroad: Costs, Proof of Funds, Loans
Last reviewed: September 28, 2026. Visa fees, proof-of-funds amounts and work limits in this guide were checked against government and university pages on th…
How to Get Paid as a Freelancer by International Clients
Last reviewed: September 28, 2026. Provider fees below are quoted as listed on each provider's official pricing page on that date, and tax rules are summariz…
Buy Now, Pay Later: How It Works, Costs and Rules
Last reviewed: September 28, 2026. Fees, credit reporting policies and rules below were checked against provider terms, regulators and official publications…