About ZEROHUE
Learn how ZEROHUE works: live Coinbase prices, paper trading in your browser, and optional competitions when you want to appear on a public leaderboard.
What is ZEROHUE?
ZEROHUE is a crypto trading simulator built for deliberate practice. It pairs live market data with simulated execution so traders can rehearse entries, exits, and risk decisions without funding an exchange account.
In everyday practice, ZEROHUE keeps your session in the browser. Prices come from Coinbase, trades stay simulated, and your practice history stays on your device. If you join a competition, event records move to the server so rankings stay consistent for everyone.
- Live Coinbase market data
- Paper trading with order and risk controls
- Local-first practice with no signup required
How local-first storage works
For practice mode, ZEROHUE keeps lightweight app state in browser storage and structured trading records in IndexedDB. Your session restores from local storage without needing an online profile. Competition records move to the server only when ranked events require it.
Browser storage for app state
Preferences and lightweight state stay in browser storage so the app recovers quickly after a page reload.
IndexedDB for trading records
Practice orders, transactions, and saved market history are stored in IndexedDB, keeping the full practice record in the browser.
Private by default, with a tradeoff
Practice data stays on the device. Ranked competitions are the exception: they use separate competition accounts so results can be tracked consistently on a shared leaderboard.
Traditional simulators vs ZEROHUE
The core difference is where the practice record lives, when an account is required, and what that means for privacy versus recovery.
Signup
Most online simulators require an account so the service can save sessions, watchlists, and history.
Practice mode works without signup. You only need an account if you want to join competitions and appear on the leaderboard.
Where records live
Orders, journals, and settings are stored in a hosted database for cross-device access.
Practice orders, transactions, and replay history stay in browser storage and IndexedDB. Competition records move to the server for the duration of the event.
Main tradeoff
Remote sync makes cross-device access and recovery easier, since the server holds the main copy.
Local-first design favors privacy and control. The tradeoff is that switching between devices is less seamless.
| Topic | Traditional online simulator | ZEROHUE local-first |
|---|---|---|
| Signup | Most online simulators require an account so the service can save sessions, watchlists, and history. | Practice mode works without signup. You only need an account if you want to join competitions and appear on the leaderboard. |
| Where records live | Orders, journals, and settings are stored in a hosted database for cross-device access. | Practice orders, transactions, and replay history stay in browser storage and IndexedDB. Competition records move to the server for the duration of the event. |
| Main tradeoff | Remote sync makes cross-device access and recovery easier, since the server holds the main copy. | Local-first design favors privacy and control. The tradeoff is that switching between devices is less seamless. |
Practice only
Practice only. No real trades are placed, no funds are held, and all balances are simulated.