A micro-SaaS called "Passport of Things," built with Next.js, Prisma, and PostgreSQL, runs on the cheapest VDS with 1 GB of RAM. The article covers why MAX needs a bridge and its own Mintsifry root. It also explains why payments did not work from the first day, and why nobody noticed. The story also involves a Telegram mini-app, SBP, and one very expensive hyphen.