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Fintech

Private Net Worth Tracker

Track assets and debts over time privately on your own device.

Beginner10h1 person16/20 fit
TL;DR

Build Private Net Worth Tracker for young professionals in ~10h with 1 person. Stack: Next.js + IndexedDB + ECharts.

Why it wins: Privacy-first and visually satisfying.

Build flow

01 · Problem
People do not know whether they are getting richer or poorer.
02 · Solution
Enter accounts and balances monthly, store encrypted locally, and chart net worth with asset mix and goals.
03 · Build
  1. 1Model accounts
  2. 2Encrypt local data
  3. 3Snapshot monthly
  4. 4Chart
04 · Demo
Show a year of net worth growth and allocation.

MVP checklist

  • Accounts list
  • Monthly snapshots
  • Encrypted storage
  • Goal lines

Tech stack

TechRole
Next.jsFrontend + API routes
IndexedDBTooling
EChartsInteractive charts

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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