Bitcoin Dominance Chart Screensaver
The Bitcoin Dominance Chart screensaver shows Bitcoin's real live share of total crypto market capitalization, with a session trend line, drawn key-less from CoinGecko. It's free, runs in your browser, and ESC exits.
How the Bitcoin Dominance Chart screensaver works
The saver fetches real current global crypto market data from CoinGecko, with no key required.
Bitcoin's real percentage share of the total market cap is shown as a large readout.
A trend line builds up over your session, tracking how dominance moves while you watch.
Readings refresh on a schedule to track real market shifts.
A worked example
During an altcoin rally you'll see the real dominance figure drift down — Bitcoin's share shrinking as other coins outgrow it, a genuine market shift, not a scripted animation.
Settings & tips
- Accent recolours the trend line.
- The session trend builds from when you open the saver, not full history.
- Dominance is a share of market cap, not a price movement on its own.
Frequently asked questions
- What is Bitcoin dominance?
- The real percentage of total crypto market capitalization that Bitcoin alone represents — a widely watched market-structure metric.
- Is a key needed?
- No. CoinGecko's public API is free and key-less.
- Does the trend show years of history?
- No — it's a real live session trend from when you started watching, not a historical archive.
- Is it free?
- Yes — free, no download, in your browser.