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July 16, 2026, 11:56:37 PM *
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Author Topic: Built a privacy-first, local-only crypto dashboard to replace my Excel sheets  (Read 11 times)
Arsouille (OP)
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Today at 11:55:00 AM
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Hi everyone,

I’ve been managing my crypto portfolio for a while, but I could never find the right tool.
Most trackers are either too bloated or, more importantly, they require me to upload my wallet addresses, exchange APIs, and balance data to their servers.
I’m not comfortable with that, so I decided to build my own solution from scratch.

I’ve developed a 100% privacy-focused dashboard where your sensitive data stays on your machine, not on servers.

How it works & Security:
•   Authentication: I use Supabase to handle user accounts (email/password). However, email verification is not enabled, meaning you can use a fake or burner email address if you prefer to remain completely anonymous.
•   Local-Only Storage: All the data you enter (portfolios, transaction types, cost basis) is stored exclusively in your browser’s localStorage or IndexedDB. No sensitive financial data regarding your positions is ever saved on Internet.
•   Real-Time Widgets: A modular dashboard to track up to 24 assets in real-time, complete with custom price threshold alerts.
•   Portfolio Segmentation: Categorize your assets by source (Cold Wallets, Ledger, Binance, etc.) and by type (Staking, Trading, Cold Storage) to get a clear view of your performance.
•   Blockchain Auto-Scan: The tool includes an auto-scan feature to pull balances directly from the blockchain for specific public addresses.

The project is still in its early stages, and I am currently looking for feedback from the community—whether it’s bug reports, UI/UX suggestions, or missing features that you feel are necessary for daily tracking.
If you'd like to test it out or take a look at the architecture, you can find the live project here: https://ourcryptowallet.vercel.app

I am a solo developer working on this as a passion project. Any constructive criticism or feedback is highly appreciated!

Thanks for your help
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