Posts on finance — Page 3

Most trading education obsesses over entries and indicators. The arithmetic says how much you put on matters more than where you got in, and the math is…

Card fraud systems score every transaction in well under a second, but the legitimate orders they wrongly reject cost merchants far more than the fraud they…

The document-plus-selfie onboarding flow every fintech copied is quietly failing. Here is how identity verification actually works, why injection attacks…

Twelve words on a piece of paper used to be the whole story of crypto self-custody. Passkeys, MPC, and smart accounts have quietly changed what that phrase…

Your favorite fintech app probably isn't a bank. Here's the sponsor bank plumbing underneath it, why the ledger matters more than the logo, and what the…

The number at the top of an earnings press release is the number the company chose to put there. Here is where the actual information lives: the…

Investing a windfall all at once beats easing it in about two-thirds of the time. Here is what the research actually says, and when dollar-cost averaging…

A plain-English look at what happens under the hood when you stake crypto: how validators secure a proof-of-stake network, where the yield comes from, and…

The mechanics behind connecting a budgeting app to your bank account, why screen scraping is dying, and where the US open banking rules stand in 2026.