RRisingWave Labs·Apr 3Credit Card Authorization Decisioning with Streaming SQLHow issuers and processors use streaming SQL to enrich and score authorization requests in real time, reducing fraud and improving approval rates.5 min read·risingwave.com
BBahati Brenda Kizito·Feb 18Training a Model to Catch Fraud (And It Humbled Me) - Lessons from Building a Real Fraud Detection SystemIf you’ve ever built a machine learning project that worked beautifully on your laptop but humbled you in production… welcome to my life 😭 Today I’m sharing my journey building CreditWise AI — my credit card fraud detection project — and everything ...5 min read·godfident-data.hashnode.dev1
IImam Hambali·Jan 25How to Validate Credit Card Numbers using Luhn Algorithm in ExcelLearn how to validate credit card numbers in Excel using the Luhn Algorithm. Includes a step-by-step guide, modern MAP/LAMBDA formulas, and a free downloada4 min read·imamhambali.hashnode.dev
IInk Voyage·Jan 23When Digital Payments Lead to Azpay Kredit or Manato KreditExplore azpay kredit and manato kredit, how they fit into digital payments, and what to know before using short-term credit in local currency.4 min read·blogzpost.hashnode.dev1
NNancy-南溪·Jan 13How to Open Your First U.S. Bank Account: Step-by-Step Guide for 2026Step-by-step guide for beginners to open U.S. bank accounts & build credit3 min read·nancy-banking.hashnode.dev
NNancy-南溪·Jan 7UnionPay vs Visa vs Mastercard: A Beginner-Friendly Guide to Global Bank Cards (Debit vs Credit Explained)A beginner-friendly guide explaining UnionPay, Visa, and Mastercard differences for travel, study, and international payments.5 min read·nancy-banking.hashnode.dev
OOmair Ahmed·Dec 19, 2025Using ML to Predict Credit Card DefaultsUsing ML to Predict Credit Card Defaults Have you ever wondered what the “system” does to approve you instantly when you apply for a credit limit increase on your credit card? Does it make an API call to ChatGPT with your credit report or do the bank...5 min read·omairqazi.hashnode.dev
BBuyvcc·Oct 31, 2025Buy Virtual Credit Card — Security, Privacy & Freedom in OneBuy Virtual Credit Card — Security, Privacy & Freedom in One1 min read·buyvirtualcreditcard.hashnode.dev
DDavid Mills·Oct 18, 2025Why Choosing the Right High Risk Payment Gateway Matters for Your BusinessEvery business owner wants their customers to enjoy a simple and secure payment experience. But when your business falls into the high risk category, things can get complicated. Traditional processors may decline your applications or hold your funds,...1 min read·davidmillsjournal.hashnode.dev
DDavid Mills·Oct 16, 2025How Secure Payment Solutions Build Long Term Business SuccessEvery successful business depends on trust. Whether you are selling products online or offering professional services, your customers need to feel safe when they make a payment. That feeling of security often determines whether they come back to you ...1 min read·davidmillsjournal.hashnode.dev
