Watch btc price
btc price Extension
watch btc price in badge, you can use series extension to watch multi coin price
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Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx", "action": { "default_icon": "bitcoin.png", "default_title": "btc price" }, "background": { "service_worker": "check.js" }, "description": "watch btc price", "icons": { "128": "bitcoin.png", "48": "bitcoin.png" }, "name": "btc price", "version": "1.0.0", "manifest_version": 3}
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