Posted by Alumni from Substack
December 5, 2025
Good morning & happy Friday! I couldn't wish for a better issue to finish another awesome week in FinTech as today we're looking into Klarna, which is now going head to head againts premium credit card giants (can it really challenge AmEx Platinum & Chase Sapphire Reserve with a debt-free membership model, why it matters + bonus deep dive into Klarna inside), and Polymarket's $1 million mystery trader, who just exposed prediction markets' regulatory blind spot (what happened, why it matters and what to expect next + bonus dive into Polymarket's biggest competitor Kalshi inside). So let's just jump straight into the good stuff '' The news '' Buy Now, Pay Later (BNPL) pioneer Klarna KLAR 0.00%' has recently launched a direct challenge to American Express AXP 0.00%' and JPM 0.00%'Chase by introducing Premium and Max membership tiers that deliver luxury travel perks without requiring consumers to carry credit card debt. learn more