YPYogeshwar Peelainexploitnotes.hashnode.dev·Aug 4 · 6 min readTryHackMe : Towel on the Sunbed WriteupTL;DR Ponzi Portfolio is a Node.js/Express "staking rewards" web app with a 24-hour cooldown on claiming a reward. The /claim endpoint has a classic check-then-act race condition: it checks whether th10