Add a live counter of total Bitcoin held by the top 100 public companies to any site. Auto-updates every 60 seconds. Transparent background, drops cleanly into both light and dark layouts.

<iframe src="https://hodlingbtc.com/embed/total-btc"
        width="300" height="150"
        frameborder="0"></iframe>

<iframe src="https://hodlingbtc.com/embed/total-btc"
        width="400" height="200"
        frameborder="0"></iframe>

<iframe src="https://hodlingbtc.com/embed/total-btc"
        width="600" height="300"
        frameborder="0"></iframe>

The widget is free to use, no API key required. Attribution link to hodlingbtc.com is built in and must remain visible.